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IDNameRepsClassRAsort descendingDECObj. TypeRedshiftHost NameHost RedshiftReporting Group/sDiscovery Data Source/sClassifying Group/sAssociated Group/sDisc. Internal NameDisc. Instrument/sClass. Instrument/sTNS ATPublicEnd Prop. PeriodObject SpectraDiscovery Mag/FluxDiscovery FilterDiscovery Date (UT)SenderRemarksSourcesBibcodeExt. catalog/s
68900AT 2020wuo100:42:36.200+41:20:35.50M31XOSSXOSSXOSSXM39MZOther - OtherYY19.5Clear-2020-10-15 17:25:46.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
859692020-10-15 19:30:49sammimasMi Zhang and Xing GaoXOSSXOSS00:42:36.200+41:20:35.502020-10-15 17:25:46.00019.5Clear-2PNVM31XM39MZXOSSSeeing: http://xjltp.china-vo.org/xm39mz.html
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1652592020-10-15 17:25:4619.520.5VegaMagClear-Other_Other300Mi Zhang and Xing GaoSeeing: http://xjltp.china-vo.org/xm37mz.html
1652582020-09-02 21:18:4620.5VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection]
30770AT 2018hwg100:42:36.870+60:52:48.76GaiaAlertsGaiaAlertsGaiaAlertsGaia18dgwGaia - Gaia-photometricYY17.33G-Gaia2018-11-03 23:25:26.000Gaia_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
240272018-11-05 11:49:10Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlertsGaiaAlerts00:42:36.870+60:52:48.762018-11-03 23:25:26.00017.33G-Gaia2OtherGaia18dgwGaiaAlerts3 mag blue rise in a previously variable galactic plane star, candidate CV
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
386142018-11-03 23:25:2617.330.2ABMagG-GaiaGaia_Gaia-photometric60Robot
386132018-09-21 00:53:1621.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
69691AT 2020xyv100:42:37.330+41:20:51.90M31XOSSXOSSXOSSXM41MZOther - OtherYY16.9Clear-2020-10-22 13:12:21.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
871802020-10-22 14:32:53sammimasMi Zhang and Xing GaoXOSSXOSS00:42:37.330+41:20:51.902020-10-22 13:12:21.00016.9Clear-3PNVM31XM41MZXOSSSeeing: http://xjltp.china-vo.org/xm41mz.html
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1673592020-10-22 13:12:2116.919.5VegaMagClear-Other_Other300Mi Zhang and Xing GaoSeeing: http://xjltp.china-vo.org/xm41mz.html
1673602020-10-21 15:46:5017.718VegaMagR-CousinsOther_Other90Mi Zhang and Xing Gao
1673582020-10-21 13:20:0220.5VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection]
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2020xyv_atrep_87180.pngGraphicsDiscovery Image2020-10-22 16:01:50sammimas
13818AT 2016epg100:42:38.120+41:05:14.47iPTFiPTFiPTFiPTF16epgP48 - CFH12kYY2018-08-0420.9225R-PTF2016-08-04 11:51:21.000iPTF_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
40262016-08-04 13:13:45iPTF_Bot1M. Kasliwal, Y. Cao (Caltech), on behalf of iPTFiPTFiPTF00:42:38.120+41:05:14.472016-08-04 11:51:21.00020.9225R-PTF2PSNiPTF16epgiPTF2018-08-04
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
52072016-08-04 11:51:2120.9225ABMagR-PTFP48_CFH12k60iPTF
52062009-01-01 00:00:0021.5ABMagR-PTFP48_CFH12k60iPTF[Last non detection]
18345AT 2017axi100:42:38.120+41:14:10.70M31ISSPISSPISSPOther - OtherYY18.3Clear-2017-02-18 17:54:59.000Belligoli
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
91142017-02-19 08:42:15shangri.starsRaffaele BelligoliISSPISSP00:42:38.120+41:14:10.702017-02-18 17:54:59.00018.3Clear-1PSNM31ISSPR. Belligoli, Verona, Italy reports the discovery of an PNV by Raffaele Belligoli, Flavio Castellani, Claudio Marangoni and Fernando Marziali, in the course of the ISSP Italian Supernovae Search Project. The new object is located at RA 00 4238.12 DEC +41 14 10.7 (equinox 2000.0) Offset 66,3E 115S. Apparent magnitude about 18.3 R in host Galaxy M31
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
133822017-02-18 17:54:5918.319.5ABMagClear-Other_Other900R.BelligoliThe discovery image was taken by three frames 300-s obtained on 2017 2 18,7465 UT with a Moravian G4-9000 KAF CCD unfiltered (limiting magnitude = 18.5), from Monte Baldo Observatory (Ferrara di Monte Baldo, Verona, Italy), with 0.4m f.8 Ritchey-Chrétien telescope.
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2017axi_atrep_9114_ISSP.jpgGraphicsCorrected Offset: 66,3W 115,3S2017-02-19 09:03:13shangri.stars
tns_2017axi_atrep_9114_ISSP_0.jpgGraphicsCrop Image2017-02-19 09:11:34shangri.stars
42661AT 2019msk200:42:38.235+41:13:42.26ATLAS, MASTERATLAS, MASTERATLAS, MASTERATLAS19rmfATLAS1 - ACAM1, Other - OtherYY16.178cyan-ATLAS2019-08-05 14:32:38.000ATLAS_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
433282019-08-06 21:53:52MASTERV. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva, D.Kuvshinov (Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA), H.Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE), R. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias) D. Buckley (South African Astronomical Observatory), O.A. Gres, N.M. Budnev, O.Ershova (Irkutsk State University, API), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), V. Yurkov, A. Gabovich, Yu. Sergienko (Blagoveschensk Educational State University)MASTERMASTER00:42:38.210+41:13:41.602019-08-05 04:01:03.00015.8Clear-3OtherMASTER OT J004238.21+411341.6MASTERLVC Inspect
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
822282019-08-05 04:43:4015.819.8VegaMagClear-Other_Other180RobotMASTER-IAC
822272019-08-05 04:01:0315.819.7VegaMagClear-Other_Other180RobotMASTER-IAC
822262016-07-04 04:37:5921.3VegaMagClear-Other_Other540Robot[Last non detection] MASTER-IAC
432652019-08-06 11:45:07ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota)ATLASATLAS00:42:38.235+41:13:42.262019-08-05 14:32:38.00016.178cyan-ATLAS2PSNATLAS19rmfATLAS
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
821222019-08-05 14:32:3816.1780.02219.81ABMagcyan-ATLASATLAS1_ACAM130Robot
821212019-07-30 12:41:4519.38ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
23285AT 2017ich100:42:39.169-17:33:54.50Pan-STARRS1Pan-STARRS1Pan-STARRS1PS17ezgPS1 - GPC1YY20.42i-Sloan2017-11-07 08:36:57.000PS1_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
146762017-11-14 00:28:31PS1_Bot1K. C. Chambers, M. E. Huber, H. Flewelling, E. A. Magnier, A. Schultz, T. Lowe, J. Bulger (IfA, University of Hawaii), S. J. Smartt, K. W. Smith, (Queen's University Belfast), J. Tonry, C. Waters, (IfA, University of Hawaii) D. E. Wright, D. R. Young (Queen's University Belfast)Pan-STARRS1Pan-STARRS100:42:39.169-17:33:54.502017-11-07 08:36:57.00020.42i-Sloan1PSNPS17ezgPan-STARRS1
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
221002017-11-07 08:36:5720.420.1420.7ABMagi-SloanPS1_GPC145Robot
44548AT 2019pmg100:42:39.474+11:13:33.97Pan-STARRS1Pan-STARRS1Pan-STARRS1PS19eypPS1 - GPC1YY20.82w-PS12019-08-31 13:46:33.000PS1_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
461192019-09-06 11:46:00PS1_Bot1K. C. Chambers, T. de Boer, J. Bulger, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, A. Schultz, R. J. Wainscoat, M. Willman (IfA, University of Hawaii), K. W. Smith, D. R. Young, O. McBrien, J. Gillanders. S. Srivastav, S. J. Smartt, D. O'Neil, P. Clark, S. Sim (Queen's University Belfast), D. E. Wright (University of Minnesota)Pan-STARRS1Pan-STARRS100:42:39.474+11:13:33.972019-08-31 13:46:33.00020.82w-PS11PSNPS19eypPan-STARRS1
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
880942019-08-31 13:46:3320.820.0622ABMagw-PS1PS1_GPC145Robot
30385AT 2018hho100:42:40.090+41:17:27.70M31ISSPISSPISSPNGC224Other - OtherYY17.5Clear-2018-10-13 19:43:40.000Belligoli
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
235082018-10-14 00:22:22shangri.starsFlavio CastellaniISSPISSP00:42:40.090+41:17:27.702018-10-13 19:43:40.00017.5Clear-2PNVM31NGC224ISSPF. Castellani, Verona, Italy reports the discovery by Raffaele Belligoli, Flavio Castellani and Claudio Marangoni, in the course of the ISSP Italian Supernovae Search Project, of an apparent nova in two images taken with a Moravian G4-9000 KAF CCD unfiltered, from Monte Baldo Observatory (Ferrara di Monte Baldo, Verona, Italy), with the 0.4m f.8 Ritchey-Chrétien telescope, obtained on 2018 October 13.822 and 13.845 UT. The new object is located at RA 00 42 40.12 DEC +41 17 27.3 (equinox 2000.0) Apparent magnitude about 17.5 in host Galaxy M31. Nothing is visible at this position on the reference image of 19Th september 2018. Offset '43.7W 81.3N' from the center of M31 (see link to discovery image below). Apparent magnitude 17.5 V (err +/- 0,2).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
375212018-10-13 19:43:4017.50.119.5STMagClear-Other_Other1800F.CastellaniThe nova was clearly detected on '2018-10-13.822' UT using using 6 x 300s frames (1800s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. The discovery magnitude is 17.5±0.04 mag in the CV band (clear visual). We will continue to monitor the nova light curve and strongly encourage additional follow-up observations.
375202018-09-19 21:10:0419.5STMagClear-Other_Other1800F.Castellani[Last non detection] The last non-detected image on '2018-09-19.88' UT using 6 x 300s frames (1800s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. (Latitudine 45° 41' 52" N. Longitudine 10° 51' 32" E)
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2018hho_atrep_23508_ISSP.jpgGraphicsM31 PNV Discovery image on '2018-10-13.822' UT using using 6 x 300s frames (1800s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. (Latitudine 45° 41' 52" N. Longitudine 10° 51' 32" E). The discovery image is also available at: https://1drv.ms/u/s!AhJ1qiHg_ZAhgdAF9DoigxiyJeZjeQ2018-10-14 00:22:23shangri.stars
25590AT 2018ajt100:42:40.410+41:12:52.20M31XOSSXOSSXOSSXM03MZOther - OtherYY18.1Clear-2018-03-21 13:41:22.000Xu
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
174302018-03-21 14:10:19Zhijian XuMi Zhang, Xing GaoXOSSXOSS00:42:40.410+41:12:52.202018-03-21 13:41:22.00018.1Clear-2PNVM31XM03MZXOSSMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 18.1) on severl 300-s survey images (limiting mag about 21.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Mar. 22.57039 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m40.41s +41d12'52".2 (equinox 2000.0). Which is about 977.8" east and 258.8" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Mar. 12.56498 UT(limiting mag 20.5). NET UCAC-4 XM03MZ C2018 03 21.57039 00 42 40.41 +41 12 52.2 18.1 V C42,All images can be seen from: http://www.xjltp.com/XOSS/XM03MZ/XM03MZ.htm , C42,Xingming Observatory - NEXT, Mt. Nanshan. Observers M.Zhang,X.Gao,Measurers M.Zhang, 0.6-m f/8 Ritchey-Chretien telescope and CCD.
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
263562018-03-21 13:41:2218.121VegaMagClear-Other_Other300Mi Zhang, Xing Gao0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
263552018-03-12 13:33:3420.5VegaMagClear-Other_Other300Xing Gao[Last non detection] 0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2018ajt_atrep_17430_XOSS.jpgGraphics2018-03-21 15:52:15Zhijian Xu
47429AT 2019tsc100:42:40.640+41:07:45.80M31XOSSXOSSXOSSXMNGS2Other - OtherYY18.1Clear-2019-10-30 15:37:04.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
511652019-10-30 16:18:46sammimasGuoyou Sun and Xing GaoXOSSXOSS00:42:40.640+41:07:45.802019-10-30 15:37:04.00018.1Clear-2PNVM31XMNGS2XOSSGuoyou Sun and Xing Gao, report the discovery of a possible nova (mag approximately 18.1) on severl 300-s survey images (limiting mag about 19.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Oct. 30.65074 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m40.64s +41d07'45".8 (equinox 2000.0). Which is about 41.5" west and 502.7" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Oct. 29.58119 UT(limiting mag 20.0).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
988032019-10-30 15:37:0418.119.5VegaMagClear-Other_Other300Guoyou Sun and Xing GaoGuoyou Sun and Xing Gao, report the discovery of a possible nova (mag approximately 18.1) on severl 300-s survey images (limiting mag about 19.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Oct. 30.65074 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m40.64s +41d07'45".8 (equinox 2000.0). Which is about 41.5" west and 502.7" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Oct. 29.58119 UT(limiting mag 20.0).
988022019-10-29 13:56:5520VegaMagClear-Other_Other300Xing Gao[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2019tsc_atrep_51165_XOSS.pngGraphicsDiscovery Image2019-10-30 16:33:59sammimas
31760AT 2018jib200:42:40.670+41:11:08.00M31XOSSXOSSXOSSXM04MZOther - OtherYY18.7Clear-2018-12-03 14:16:27.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
270982018-12-24 03:58:55sammimasMi Zhang and Xing GaoXOSSXOSS00:42:40.670+41:11:08.002018-12-23 13:25:14.00018.1Clear-3PNVM31XM04MZXOSSusing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
479752018-12-23 13:25:1418.1VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
479762018-12-22 12:05:5217.9VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
479742018-12-01 17:16:1220VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
258042018-12-03 15:13:31sammimasMi Zhang, Xing GaoXOSSXOSS00:42:40.650+41:11:08.002018-12-03 14:16:27.00018.7Clear-1PNVM31XM04MZXOSSMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 18.7) on severl 300-s survey images (limiting mag about 20.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 03.59476 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m40.65s +41d11'08".0 (equinox 2000.0). Which is about 41.4" west and 300.5" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Dec. 01.71958 UT(limiting mag 19.5).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
446982018-12-03 14:16:2718.720VegaMagClear-Other_Other300Mi Zhang, Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2018jib_atrep_25804_XOSS.pngGraphics2018-12-03 15:43:33sammimas
44966AT 2019qcg100:42:42.310+41:17:45.60M31XOSSXOSSXOSSXM15MZOther - OtherYY16.7Clear-2019-09-14 15:52:14.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
469182019-09-14 16:19:53sammimasMi Zhang and Xing GaoXOSSXOSS00:42:42.310+41:17:45.602019-09-14 15:52:14.00016.7Clear-2PNVM31XM15MZXOSSMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 16.7) on severl 120-s survey images (limiting mag about 18.5) taken by Xing Gao in Xingming Observatory Sky Survey (XXX) around Sep. 14.66127 UT using a unfiltered CCD ( + 0.5-m f/4 reflector + CCD ). The transient approximately located at R.A.=00h42m42.31s +41d17'45".6 (equinox 2000.0). Which is about 22.7" west and 97.1" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Sep. 12.65343 UT(limiting mag 19.0). NET USNO-A2.0 XM15MZ C2019 09 14.66127 00 42 42.31 +41 17 45.6 16.7 V XXX COD XXX COM Long. 88 34 37.9 E, Lat. 43 31 20.6 N, Alt. 1795m CON Gaoyazi Observatory, Urumqi, Xinjiang, China
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
899242019-09-14 15:52:1416.718.5VegaMagClear-Other_Other120Xing Gaousing a unfiltered CCD ( + 0.5-m f/4 reflector + CCD ).
899232019-09-12 15:40:5619VegaMagClear-Other_Other120Xing Gao[Last non detection] using a unfiltered CCD ( + 0.5-m f/4 reflector + CCD ).
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2019qcg_atrep_46918_XOSS.pngGraphics2019-09-14 17:03:39sammimas
32234AT 2018kaf800:42:42.410+41:19:41.23M31XOSS, ATLAS, ZTF, GaiaAlertsXOSS, ATLAS, ZTF, GaiaAlertsATLAS, GaiaAlerts, XOSS, ZTFXM05MZATLAS1 - ACAM1, Gaia - Gaia-photometric, Other - Other, P48 - ZTF-CamYY18.2Clear-2018-12-17 13:14:33.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
270142018-12-23 21:11:18ZTF_AMPEL_NEWJ. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTFZTFZTF00:42:42.400+41:19:41.222018-12-23 02:30:27.00017.95g-ZTF3PSNZTF18acxhqisZTF
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
478402018-12-23 03:53:0117.820.0419.82ABMagr-ZTFP48_ZTF-Cam30
478392018-12-23 02:30:2717.950.0719.74ABMagg-ZTFP48_ZTF-Cam30
478382018-12-20 02:44:5220.14ABMagr-ZTFP48_ZTF-Cam30[Last non detection]
270072018-12-23 20:48:39ZTF_AMPEL_NEWJ. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTFZTFZTF00:42:42.400+41:19:41.222018-12-23 02:30:27.00017.95g-ZTF3PSNZTF18acxhqisZTF
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
478212018-12-23 03:53:0117.820.0419.82ABMagr-ZTFP48_ZTF-Cam30
478202018-12-23 02:30:2717.950.0719.74ABMagg-ZTFP48_ZTF-Cam30
478192018-12-20 02:44:5220.14ABMagr-ZTFP48_ZTF-Cam30[Last non detection]
269852018-12-23 14:23:44ZTF_AMPEL_NEWJ. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTFZTFZTF00:42:42.400+41:19:41.222018-12-23 02:30:27.00017.95g-ZTF3PSNZTF18acxhqisZTF
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
477732018-12-23 03:53:0117.820.0419.82ABMagr-ZTFP48_ZTF-Cam30
477722018-12-23 02:30:2717.950.0719.74ABMagg-ZTFP48_ZTF-Cam30
477712018-12-20 02:44:5220.14ABMagr-ZTFP48_ZTF-Cam30[Last non detection]
269812018-12-23 14:23:11Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlertsGaiaAlerts00:42:42.410+41:19:41.232018-12-21 14:02:24.00017.68G-Gaia2PSNGaia18dxnGaiaAlertscandidate Nova in M31
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
477622018-12-21 14:02:2417.680.2ABMagG-GaiaGaia_Gaia-photometric60Robot
477612018-09-16 07:04:4821.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
269752018-12-23 14:18:05ZTF_AMPEL_NEWJ. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTFZTFZTF00:42:42.400+41:19:41.132018-12-20 04:22:55.00018.23g-ZTF3PSNZTF18acxhqisZTF
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
477482018-12-23 02:30:2717.950.0719.74ABMagg-ZTFP48_ZTF-Cam30
477472018-12-20 04:22:5518.230.0819.54ABMagg-ZTFP48_ZTF-Cam30
477462018-12-20 02:44:5220.14ABMagr-ZTFP48_ZTF-Cam30[Last non detection]
268202018-12-20 15:57:00ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, K. Maguire, S. J. Prentice, O. McBrien, D. O'Neill, P. Clark, M. Magee, M. Fulton, A. McCormack (Queen's University Belfast), D. E. Wright (University of Minnesota)ATLASATLAS00:42:42.411+41:19:41.032018-12-20 07:43:40.00017.988orange-ATLAS2PSNATLAS18bcayATLAS
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
471462018-12-20 07:43:4017.9880.16518.84ABMagorange-ATLASATLAS1_ACAM130Robot
471452018-12-18 08:41:1618.42ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
267492018-12-19 17:24:33sammimasMi Zhang and Xing GaoXOSSXOSS00:42:42.410+41:19:41.102018-12-19 15:32:50.00017.6Clear-2PNVM31XM05MZXOSSusing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
469192018-12-19 15:32:5017.620.5VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
469182018-12-16 13:45:4820VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection]
265122018-12-17 13:56:59sammimasMi Zhang and Xing GaoXOSSXOSS00:42:42.410+41:19:41.102018-12-17 13:14:33.00018.2Clear-2PNVM31XM05MZXOSSMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 18.2) on severl 300-s survey images (limiting mag about 20.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 17.55177 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m42.41s +41d19'41".1 (equinox 2000.0). Which is about 21.5" west and 212.6" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Dec. 16.57347 UT(limiting mag 20.0). NET UCAC-4 XM05MZ C2018 12 17.55177 00 42 42.41 +41 19 41.1 18.2V C42 All images can be seen from: http://www.xjltp.com/XOSS/XM05MZ/XM05MZ.htm C42,Xingming Observatory - NEXT, Mt. Nanshan. Observers M.Zhang,X.Gao,Measurers M.Zhang, 0.6-m f/8 Ritchey-Chretien telescope and CCD.
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
463062018-12-17 13:14:3318.220.5VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
463052018-12-16 13:45:4820VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2018kaf_atrep_26512_XOSS.pngGraphics2018-12-17 14:59:46sammimas
65617AT 2020rzw100:42:42.730+40:51:55.80Pan-STARRS1Pan-STARRS1Other - OtherYY15.6Clear-2020-08-25 15:57:25.000Ohshima
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
807052020-08-25 17:18:49Y.OhshimaYuuji OhshimaPan-STARRS100:42:42.730+40:51:55.802020-08-25 15:57:25.00015.6Clear-1PSNPan-STARRS1
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1551922020-08-25 15:57:2515.6VegaMagClear-Other_OtherY.ohshima
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2020rzw_atrep_80705.jpgGraphics2020-08-25 17:18:50Y.Ohshima
5 1885A00:42:43.100+41:16:04.00-0.00097NGC 224 NY5.81885-08-17 00:00:00.000[Discoverer=Hartwig (S And); DiscoveryRef=; PositionRef=; Orig Type=Unknown] RA,DEC set on 2019-09-18 according to the data on http://www.rochesterastronomy.org
42370AT 2019mhf100:42:43.232+36:27:56.94ATLASATLASATLASATLAS19pqmATLAS1 - ACAM1YY18.979orange-ATLAS2019-07-24 12:02:52.000ATLAS_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
429172019-08-02 12:46:11ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota)ATLASATLAS00:42:43.232+36:27:56.942019-07-24 12:02:52.00018.979orange-ATLAS2PSNATLAS19pqmATLAS
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
814702019-07-24 12:02:5218.9790.22219.47ABMagorange-ATLASATLAS1_ACAM130Robot
814692019-07-21 15:02:5218.61ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
69882AT 2020yfs100:42:43.365+25:20:28.18ULL-ASTRO-MASTERZTFZTFZTF20acklbgqP48 - ZTF-CamYY20.405g-ZTF2020-10-18 04:57:36.000Perez-Fournon
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
874952020-10-26 17:49:12ipfG. Muñoz-Sánchez (ULL), M. R. Alarcón (ULL & IAC), J. Barrios-Pérez (ULL & IAC), C. Cuervo-Rodríguez (ULL), E. Esparza-Borges (ULL), J. González-Otero (ULL), A. Laza-Ramos (ULL), M. Puig-Subirà (ULL), J. Villafañe-Calvo (ULL), and I. Pérez-Fournon (ULL & IAC) ULL-ASTRO-MASTERZTF00:42:43.365+25:20:28.182020-10-18 04:57:36.00020.405g-ZTF2PSNZTF20acklbgqZTFData were provided by the Zwicky Transient Facility (https://www.ztf.caltech.edu) and processed through the Lasair (https://lasair.roe.ac.uk), ALeRCE (https://alerce.online), ANTARES (https://antares.noirlab.edu), and MARS (https://mars.lco.global) brokers.
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1679962020-10-18 04:57:3620.4050.18ABMagg-ZTFP48_ZTF-Cam30Robot
1679952020-10-16 06:39:4620.388ABMagr-ZTFP48_ZTF-Cam30Robot[Last non detection]
32532AT 2018klr500:42:43.807+41:17:20.88M31XOSS, ZTFXOSS, ZTFXOSS, ZTFXM07MZOther - Other, P48 - ZTF-CamYY17.5Clear-2018-12-23 13:25:14.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
278362019-01-03 10:15:36ZTF_AMPEL_NEWJ. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTFZTFZTF00:42:43.807+41:17:20.882018-12-23 02:30:27.00017.57r-ZTF3PSNZTF18aczzijeZTF
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
493792018-12-23 03:53:0117.570.0519.82ABMagr-ZTFP48_ZTF-Cam30
493802018-12-23 02:30:2717.760.0519.74ABMagg-ZTFP48_ZTF-Cam30
493782018-12-20 02:44:5220.14ABMagr-ZTFP48_ZTF-Cam30[Last non detection]
278232019-01-03 10:13:15ZTF_AMPEL_NEWJ. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTFZTFZTF00:42:43.805+41:17:20.862018-12-23 02:30:27.00016.85r-ZTF3PSNZTF18aczzijeZTF
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
493412019-01-03 02:41:3816.850.0420.5ABMagr-ZTFP48_ZTF-Cam30
493422018-12-23 02:30:2717.760.0519.74ABMagg-ZTFP48_ZTF-Cam30
493402018-12-20 02:44:5220.14ABMagr-ZTFP48_ZTF-Cam30[Last non detection]
274612018-12-28 15:53:35sammimasMi Zhang and Xing GaoXOSSXOSS00:42:43.800+41:17:20.802018-12-27 16:24:23.00015.5Clear-2PNVM31XM07MZXOSSusing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
486542018-12-27 16:24:2315.5VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
486532018-12-22 13:25:1420.5VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
273422018-12-26 14:42:26sammimasMi Zhang and Xing GaoXOSSXOSS00:42:43.810+41:17:20.802018-12-26 13:24:54.00016Clear-4PNVM31XM07MZXOSSusing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
483822018-12-26 13:24:5416VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
483832018-12-25 13:00:2017.1VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
483842018-12-24 12:14:5717.1VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
483812018-12-22 13:25:1420.5VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection]
269702018-12-23 13:52:38sammimasMi Zhang and Xing GaoXOSSXOSS00:42:43.800+41:17:20.802018-12-23 13:25:14.00017.5Clear-2PNVM31XM07MZXOSSMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 17.5) on severl 300-s survey images (limiting mag about 20.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 23.55919 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m43.80s +41d17'20".8 (equinox 2000.0). Which is about 5.9" west and 72.3" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Dec. 22.50407 UT(limiting mag 20.5).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
477352018-12-23 13:25:1417.5VegaMagClear-Other_Other300Mi Zhang and Xing GaoMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 17.5) on severl 300-s survey images (limiting mag about 20.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 23.55919 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m43.80s +41d17'20".8 (equinox 2000.0). Which is about 5.9" west and 72.3" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Dec. 22.50407 UT(limiting mag 20.5).
477342018-12-22 12:05:5220.5VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2018klr_atrep_26970_XOSS.pngGraphics2018-12-23 13:52:38sammimas
50548AT 2019yhh100:42:44.156-01:29:40.10Pan-STARRS1Pan-STARRS1Pan-STARRS1PS19ihoPS1 - GPC1YY21.54w-PS12019-12-24 05:31:12.000PS1_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
561172019-12-28 11:21:03PS1_Bot1K. C. Chambers, T. de Boer, J. Bulger, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, A. Schultz, R. J. Wainscoat, M. Willman (IfA, University of Hawaii), K. W. Smith, D. R. Young, O. McBrien, J. Gillanders. S. Srivastav, S. J. Smartt, D. O'Neil, P. Clark, S. Sim (Queen's University Belfast), D. E. Wright (University of Minnesota)Pan-STARRS1Pan-STARRS100:42:44.156-01:29:40.102019-12-24 05:31:12.00021.54w-PS11PSNPS19ihoPan-STARRS1
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1088332019-12-24 05:31:1221.540.0922ABMagw-PS1PS1_GPC145Robot
43468AT 2019nxd100:42:44.598-24:57:20.34DESGWDESGWDESGWdesgw-190814iCTIO-4m - DECAMYY21.82i-Sloan2019-08-17 04:52:19.000Bachmann
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
443072019-08-19 22:20:26tgbachmannMarcelle Soares-Santos et al. on behalf of the DESGW teamDESGWDESGW00:42:44.598-24:57:20.342019-08-17 04:52:19.00021.82i-Sloan2Otherdesgw-190814iDESGW
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
840982019-08-18 05:55:4022.30.03ABMagz-SloanCTIO-4m_DECAM200
840972019-08-17 04:52:1921.820.03ABMagi-SloanCTIO-4m_DECAM100
53307AT 2020bha100:42:45.349+30:10:43.72SGLFZTFZTFZTF20aafwbctP48 - ZTF-CamYY20.377g-ZTF2020-01-14 02:40:30.000Perez-Fournon
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
604352020-01-28 23:59:44ipfC. Jimenez Angel, I. Perez-Fournon, F. Poidevin, R. Shirley (IAC & ULL), R. Marques-Chaves (CAB), S. Geier (GRANTECAN & IAC), Y. Shu (IoA), S. Rodney, J. Roberts-Pierel (Univ. of South Carolina), A. Bolton (NSF's OIR Lab), S. Chakrabarti, P. Craig, and B. Alamiri (RIT)SGLFZTF00:42:45.349+30:10:43.722020-01-14 02:40:30.00020.377g-ZTF2PSNZTF20aafwbctZTFData were provided by the Zwicky Transient Facility (https://www.ztf.caltech.edu) and processed through the Lasair (https://lasair.roe.ac.uk), ALeRCE (https://alerce.online), ANTARES (https://antares.noao.edu), and MARS (https://mars.lco.global) brokers.
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1173152020-01-14 02:40:3020.3770.251ABMagg-ZTFP48_ZTF-Cam30Robot
1173142020-01-12 04:50:4719.243ABMagr-ZTFP48_ZTF-Cam30Robot[Last non detection]
3603SN 2006et00:42:45.821-23:33:30.38SN IaNGC 232 NY16.12006-09-03 00:00:00.000[Discoverer=Itagaki; DiscoveryRef=CBET 616; PositionRef=IAUC 8745; Orig Type=Ia ]
15775AT 2016hlo200:42:45.987+41:16:12.22iPTFiPTFiPTFiPTF16hloP48 - CFH12kYY2018-10-2617.741g-PTF2016-10-26 08:12:28.000iPTF_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
64762016-11-05 06:40:57iPTF_Bot1M. Kasliwal, Y. Cao (Caltech), on behalf of iPTFiPTFiPTF00:42:45.987+41:16:12.222016-10-26 08:13:55.00017.7163g-PTF2PSNiPTF16hloiPTF2018-11-05
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
92572016-10-26 08:13:5517.7163ABMagg-PTFP48_CFH12k60iPTF
92562009-01-01 00:00:0021.5ABMagR-PTFP48_CFH12k60iPTF[Last non detection]
61962016-10-26 09:18:13iPTF_Bot1M. Kasliwal, Y. Cao (Caltech), on behalf of iPTFiPTFiPTF00:42:46.008+41:16:11.892016-10-26 08:12:28.00017.741g-PTF2PSNiPTF16hloiPTF2018-10-26
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
88282016-10-26 08:12:2817.741ABMagg-PTFP48_CFH12k60iPTF
88272009-01-01 00:00:0021.5ABMagR-PTFP48_CFH12k60iPTF[Last non detection]
24149AT 2017jid200:42:46.008+03:28:52.61Pan-STARRS1Pan-STARRS1Pan-STARRS1PS17flmPS1 - GPC1YY20.68w-PS12017-09-22 10:06:14.000PS1_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
156852017-12-30 19:25:06PS1_Bot1K. C. Chambers, M. E. Huber, H. Flewelling, E. A. Magnier, A. Schultz, T. Lowe, J. Bulger (IfA, University of Hawaii), S. J. Smartt, K. W. Smith (Queen's University Belfast), J. Tonry, C. Waters, (IfA, University of Hawaii) D. E. Wright (University of Minnesota), D. R. Young (Queen's University Belfast)Pan-STARRS1Pan-STARRS100:42:46.008+03:28:52.612017-09-22 10:06:14.00020.68w-PS11PSNPS17flmPan-STARRS1
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
237852017-09-22 10:06:1420.680.1122ABMagw-PS1PS1_GPC145Robot
156562017-12-30 18:41:07PS1_Bot1K. C. Chambers, M. E. Huber, H. Flewelling, E. A. Magnier, A. Schultz, T. Lowe, J. Bulger (IfA, University of Hawaii), S. J. Smartt, K. W. Smith (Queen's University Belfast), J. Tonry, C. Waters, (IfA, University of Hawaii) D. E. Wright (University of Minnesota), D. R. Young (Queen's University Belfast)Pan-STARRS1Pan-STARRS100:42:46.008+03:28:52.612017-09-22 10:06:14.00020.68w-PS11PSNPS17flmPan-STARRS1
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
237562017-09-22 10:06:1420.680.1122ABMagw-PS1PS1_GPC145Robot
55381AT 2020efn100:42:46.140+41:11:35.80M31XOSSXOSSXOSSXM27MZOther - OtherYY16.6Clear-2020-03-08 14:02:44.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
637942020-03-08 14:50:25sammimasMi Zhang and Xing GaoXOSSXOSS00:42:46.140+41:11:35.802020-03-08 14:02:44.00016.6Clear-2PNVM31XM27MZXOSSMi Zhang and Xing Gao, report the independent discovery of a possible nova (mag approximately 16.6) on several 300-s survey images (limiting mag about 20.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Mar. 08.58523 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient was independently discovered and first announced by Koichi Itagaki and designated as PNV J00424612+4111362. The transient approximately located at R.A.=00h42m46.14s +41d11'35".8 (equinox 2000.0). Which is about 20.5" east and 272.7" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Mar. 03.63137 UT(limiting mag 20.0).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1247152020-03-08 14:02:4416.620VegaMagClear-Other_Other300Mi Zhang and Xing GaoMi Zhang and Xing Gao, report the independent discovery of a possible nova (mag approximately 16.6) on several 300-s survey images (limiting mag about 20.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Mar. 08.58523 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient was independently discovered and first announced by Koichi Itagaki and designated as PNV J00424612+4111362. The transient approximately located at R.A.=00h42m46.14s +41d11'35".8 (equinox 2000.0). Which is about 20.5" east and 272.7" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Mar. 03.63137 UT(limiting mag 20.0).
1247142020-03-03 15:09:1020VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2020efn_atrep_63794.pngGraphicsDiscovery Image2020-03-08 15:08:01sammimas
67044AT 2020ubx100:42:46.300+41:13:35.50M31XOSSXOSSXOSSXM35MZOther - OtherYY17.2Clear-2020-09-24 16:50:06.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
831162020-09-24 18:47:41sammimasMi Zhang and Xing GaoXOSSXOSS00:42:46.300+41:13:35.502020-09-24 16:50:06.00017.2Clear-2PNVM31XM35MZXOSSSeeing: http://xjltp.china-vo.org/xm35mz.html
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1600332020-09-24 16:50:0617.219.5VegaMagClear-Other_Other300Mi Zhang and Xing GaoSeeing: http://xjltp.china-vo.org/xm35mz.html
1600322020-09-23 18:53:4821.5VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection]
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2020ubx_atrep_83116.pngGraphicsDiscovery Image2020-09-24 18:58:18sammimas
50400AT 2019ybp100:42:46.522+00:00:04.40Pan-STARRS1Pan-STARRS1Pan-STARRS1PS19ichPS1 - GPC1YY20.81w-PS12019-11-28 05:05:16.000PS1_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
559402019-12-27 14:27:47PS1_Bot1K. C. Chambers, T. de Boer, J. Bulger, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, A. Schultz, R. J. Wainscoat, M. Willman (IfA, University of Hawaii), K. W. Smith, D. R. Young, O. McBrien, J. Gillanders. S. Srivastav, S. J. Smartt, D. O'Neil, P. Clark, S. Sim (Queen's University Belfast), D. E. Wright (University of Minnesota)Pan-STARRS1Pan-STARRS100:42:46.522+00:00:04.402019-11-28 05:05:16.00020.81w-PS11PSNPS19ichPan-STARRS1
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1086112019-11-28 05:05:1620.810.0722ABMagw-PS1PS1_GPC145Robot
16814AT 2016ize100:42:46.590+41:16:57.80M31ISSPISSPISSPOther - OtherYY18.5Clear-2016-12-21 17:08:00.000Belligoli
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
74152016-12-22 02:05:15shangri.starsCastellani FlavioISSPISSP00:42:46.590+41:16:57.802016-12-21 17:08:00.00018.5Clear-2PNVM31ISSPFlavio Castellani report the discovery by R.Belligoli, F.Castellani, C.Marangoni and F.Marziali of a PNV (Mag. 18.50R +-0.15 - USNOB1 catalogue) in the host galaxy M31 at Monte Baldo Observatory, Ferrara di Monte Baldo, Verona, Italy (A99), in the course of Italian Supernovae Search Project using a 0.40m f/8 Ritchey-Chretien telescope (+ Moravian G4-9000 KAF CCD unfiltered CCD camera), in a couple of images taken on Dec. 21.70451 and Dec. 21.72877. No stellar source is visible at the position of the PNV in our last images on Dec. 18.6875. No known minor planets are marked in that position for the time of our observation.
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
108302016-12-21 17:08:0018.50.1519.2ABMagClear-Other_Other3060F. Castellani0.40m f/8 Ritchey-Chretien telescope
108292016-12-18 16:59:2419.2ABMagClear-Other_Other3060R. Belligoli[Last non detection] 0.40m f/8 Ritchey-Chretien telescope
70148AT 2020ypu2100:42:46.793+41:07:03.09NovaM31XOSS, ATLASXOSS, ATLASNoneATLAS, XOSSXM43MZATLAS1 - ACAM1, Other - OtherLT - SPRATYY118.7Clear-2020-11-01 13:56:01.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
883172020-11-04 09:43:00ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, M. Fulton, J. Gillanders (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)ATLASATLAS00:42:46.793+41:07:03.092020-11-03 10:09:07.20017.767orange-ATLAS2PSNATLAS20bevpATLAS
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1694552020-11-03 10:09:0717.7670.09319.04ABMagorange-ATLASATLAS1_ACAM130Robot
1694542020-11-02 12:11:3117.55ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
880582020-11-01 14:23:59sammimasMi Zhang and Xing GaoXOSSXOSS00:42:46.770+41:07:03.102020-11-01 13:56:01.00018.7Clear-2PNVM31XM43MZXOSSSeeing: http://xjltp.china-vo.org/xm43mz.html
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1689372020-11-01 13:56:0118.719.5VegaMagClear-Other_Other300Mi Zhang and Xing GaoSeeing: http://xjltp.china-vo.org/xm43mz.html
1689362020-10-31 12:43:2419VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection]
Classification reports
IDTime Received (UT)SenderClassifier/sGroupClassificationRedshiftSpectraRelated FilesAssoc. GroupsEnd Prop. PeriodRemarksADS Bibcode
80182020-11-16 23:03:45shubhamsrivastavS. Srivastav, S. J. Smartt, O. McBrien, K. W. Smith, D. R. Young, J. GillandersNoneNova1Nova in M31, reached M ~ -7.5 in the ATLAS o-band light curve.2020TNSCR3471....1S
Spectra
IDObs-date (UT)Tel / InstExp-timeObserver/sReducer/sGroupSpectrum ascii FileSpectrum fits FileSpec. TypeAssoc. GroupsEnd Prop. PeriodRemarks
80302020-11-06 23:52:16LT_SPRAT1200RoboticNone tns_2020ypu_2020-11-06_23-52-16.265_LT_SPRAT.datObject
Spectra
IDObs-date (UT)Tel / InstExp-timeObserver/sReducer/sGroupSpectrum ascii FileSpectrum fits FileSpec. TypeAssoc. GroupsEnd Prop. PeriodRemarks
80302020-11-06 23:52:16LT / SPRAT1200RoboticNone tns_2020ypu_2020-11-06_23-52-16.265_LT_SPRAT.datObject
47270AT 2019tma100:42:47.022-07:36:15.22Pan-STARRS1Pan-STARRS1Pan-STARRS1PS19ggyPS1 - GPC1YY20.45w-PS12019-10-22 09:59:02.000PS2_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
509162019-10-27 23:52:12PS2_Bot1K. C. Chambers, T. de Boer, J. Bulger, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, A. Schultz, R. J. Wainscoat, M. Willman (IfA, University of Hawaii), K. W. Smith, D. R. Young, O. McBrien, J. Gillanders. S. Srivastav, S. J. Smartt, D. O'Neil, P. Clark, S. Sim (Queen's University Belfast), D. E. Wright (University of Minnesota)Pan-STARRS1Pan-STARRS100:42:47.022-07:36:15.222019-10-22 09:59:02.00020.45w-PS11PSNPS19ggyPan-STARRS1
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
983172019-10-22 09:59:0220.450.0822ABMagw-PS1PS1_GPC145Robot
22397AT 2017gud1100:42:47.080+41:16:00.30NovaM31XOSSXOSSiPTFXOSSPSP17DOther - OtherP60 - SEDMYY117Clear-2017-09-17 15:43:28.000Xu
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
136722017-09-17 16:38:26Zhijian XuZhijian Xu, Mi Zhang, Yi Ding, Peiyuan Sun, Xing GaoXOSSXOSS00:42:47.080+41:16:00.302017-09-17 15:43:28.00017Clear-2PNVM31PSP17DXOSSZhijian Xu, Mi Zhang, Yi Ding, Peiyuan Sun, Xing Gao report the discovery of a possible nova in M31. The transient (mag approximately 17.0) on severl 40-s survey images (limiting mag about 19.2) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Sep. 17.65519 UT using a unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The transient approximately located at R.A.=00h42m47.08s +41d16'00".3 (equinox 2000.0). Which is about 31.1" east and 8.2" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Sep 15.68946 (limiting mag 18.8). All images can be seen from: http://www.xjltp.com/XOSS/PSP17D/PSP17D.htm.
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
204632017-09-17 15:43:281719.2VegaMagClear-Other_Other40Zhijian Xu, Mi Zhang, Yi Ding, Peiyuan Sun, Xing GaoUsing a unfiltered CCD + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9.
204622017-09-15 16:32:4918.8VegaMagClear-Other_Other40Xing Gao[Last non detection] Using a unfiltered CCD + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9.
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2017gud_atrep_13672_XOSS.jpgGraphicsDiscovery image.2017-09-17 17:04:48Zhijian Xu
tns_2017gud_atrep_13672_XOSS_0.jpgGraphicsConfirm image.2017-09-17 17:04:48Zhijian Xu
Classification reports
IDTime Received (UT)SenderClassifier/sGroupClassificationRedshiftSpectraRelated FilesAssoc. GroupsEnd Prop. PeriodRemarksADS Bibcode
12602017-10-02 14:53:46neillJames NeilliPTFNova1iPTFstrong H-alpha, H-beta, SNID matched AGN at z=-0.00042017TNSCR1059....1N
Spectra
IDObs-date (UT)Tel / InstExp-timeObserver/sReducer/sGroupSpectrum ascii FileSpectrum fits FileSpec. TypeAssoc. GroupsEnd Prop. PeriodRemarks
12642017-10-02 10:13:40P60_SEDM2100Walters/Neill/BlagorodnovaNeilliPTF tns_2017gud_2017-10-02_10-13-40_P60_SED-Machine_iPTF.txtObjectiPTF
Spectra
IDObs-date (UT)Tel / InstExp-timeObserver/sReducer/sGroupSpectrum ascii FileSpectrum fits FileSpec. TypeAssoc. GroupsEnd Prop. PeriodRemarks
12642017-10-02 10:13:40P60 / SEDM2100Walters/Neill/BlagorodnovaNeilliPTF tns_2017gud_2017-10-02_10-13-40_P60_SED-Machine_iPTF.txtObjectiPTF
21684AT 2017fvb100:42:47.210+41:16:51.20M31XOSSXOSSXOSSXM13ALOther - OtherYY17.5Clear-2017-07-31 19:44:18.000Xu
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
128832017-08-01 02:19:29Zhijian XuAng Li, Xing GaoXOSSXOSS00:42:47.210+41:16:51.202017-07-31 19:44:18.00017.5Clear-2PNVM31XM13ALXOSSAng Li(Shenyang, Liaoning, China) and Xing Gao (Urumqi, Xinjiang, China) report the discovery of a possible nova in M31. The transient (mag approximately 17.5) on 3 x 40s stacked survey image (limiting mag about 19.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Jul. 31.82243 UT using a unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The new object approximately located at R.A.=00h42m47.21s +41d16'51".2 (equinox 2000.0). Which is about 32.6" east and 42.7" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Jul 21.76355 (limiting mag 18.5). All images can be seen from: http://www.xjltp.com/XOSS/XM13AL/XM13AL.htm.
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
191272017-07-31 19:44:1817.519VegaMagClear-Other_OtherUsing a unfiltered CCD + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9.
191262017-07-21 18:19:3118.5VegaMagClear-Other_Other[Last non detection] Using a unfiltered CCD + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9.
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2017fvb_atrep_12883_XOSS.jpgGraphics2017-08-01 05:41:16Zhijian Xu
64500AT 2020qon100:42:47.359-21:43:38.37ATLASATLASATLASATLAS20qgzATLAS1 - ACAM1YY18.668orange-ATLAS2020-07-11 13:36:28.800ATLAS_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
789772020-07-31 11:08:50ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO), A. Townsend (University of Manchester)ATLASATLAS00:42:47.359-21:43:38.372020-07-11 13:36:28.80018.668orange-ATLAS2PSNATLAS20qgzATLAS
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1518662020-07-11 13:36:2918.6680.15418.71ABMagorange-ATLASATLAS1_ACAM130Robot
1518652020-07-09 13:32:1018.43ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
30780AT 2018hwq100:42:47.540+41:17:19.40M310.001GSNSTGSNSTGSNSTGSNST 2018-akOther - OtherYY17.11Clear-2018-11-06 08:25:29.000Kendurkar
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
240392018-11-06 08:33:42GSNSTCedric Raguenaud, Malhar R. Kendurkar on behalf of GSNST TeamGSNSTGSNST00:42:47.540+41:17:19.402018-11-06 08:25:29.00017.11Clear-2PNVM310.001GSNST 2018-akGSNST
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
386372018-11-05 20:39:2717.110.62VegaMagClear-Other_Other150C. RaguenaudPossible outburst of a Nova at position 00 42 47.54 +41 17 19.4 Observations were made using Slooh's Chile Telescope.
386362018-11-04 20:47:1019VegaMagClear-Other_Other300C. Raguenaud[Last non detection]
76905AT 2021clj200:42:48.277+41:19:37.49XOSS, ZTFXOSS, ZTFXOSS, ZTFXN02JROther - Other, P48 - ZTF-CamYY18Clear-2021-02-09 13:11:11.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
995412021-02-15 12:00:42ZTF_Bot1C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaborationZTFZTF00:42:48.277+41:19:37.492021-02-11 04:07:40.80017.29r-ZTF3PSNZTF21aajzhgkZTF
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1927802021-02-15 03:47:3117.36ABMagr-ZTFP48_ZTF-Cam30ZTF
1927792021-02-11 04:07:4117.29ABMagr-ZTFP48_ZTF-Cam30ZTF
1927782021-02-09 03:48:5820.11ABMagr-ZTFP48_ZTF-Cam30ZTF[Last non detection]
989762021-02-10 00:23:24sammimasJiangao Ruan, Xing Gao (Xingming Observatory)XOSSXOSS00:42:48.270+41:19:37.402021-02-09 13:11:11.00018Clear-2PNVXN02JRXOSSJiangao Ruan, Xing Gao (Xingming Observatory), report the discovery of a possible nova (mag approximately 18.0) on several 300-s survey image (limiting mag about 19.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Feb. 09.54943 UTC using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m48.27s +41d19’37”.4 (equinox 2000.0). Which is about 44.5" east and 208.9" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Feb. 06.55062 (limiting mag 19.5) . Images can be found at: http://xjltp.china-vo.org/xn02jr.html
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1915062021-02-09 13:11:111819.5ABMagClear-Other_Other300Xing Gaousing a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope).
1915052021-02-06 13:12:5419.5ABMagClear-Other_Other300Xing Gao[Last non detection] using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope).
4474SN 2007qp00:42:48.430+00:22:47.10SN IaAnon. NY22.22007-11-02 00:00:00.000[Discoverer=Sloan Digital Sky Survey II; DiscoveryRef=CBET 1139; PositionRef=CBET 1139; Orig Type=Ia ]
54253AT 2020cqi100:42:48.820+41:18:43.00M31XOSSXOSSXOSSXM26MZOther - OtherYY19.2Clear-2020-02-15 13:09:36.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
619422020-02-15 16:56:43sammimasMi Zhang and Xing GaoXOSSXOSS00:42:48.820+41:18:43.002020-02-15 13:09:36.00019.2Clear-2PNVM31XM26MZXOSSMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 19.2) on several 300-s survey images (limiting mag about 21.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Feb. 15.54833 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m48.82s +41d18'43".0 (equinox 2000.0). Which is about 50.7" east and 154.5" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Feb. 10.56487 UT(limiting mag 21.0).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1206052020-02-15 13:09:3619.221VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
1206042020-02-10 13:33:2521VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2020cqi_atrep_61942.pngGraphicsDiscovery Image2020-02-15 17:13:35sammimas
20647AT 2017ehm100:42:49.090+41:42:41.62GaiaAlertsGaiaAlertsGaiaAlertsGaia17bjgGaia - Gaia-photometricYY19.33G-Gaia2017-05-23 12:47:31.000Gaia_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
117072017-05-25 22:22:55Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlertsGaiaAlerts00:42:49.090+41:42:41.622017-05-23 12:47:31.00019.33G-Gaia2OtherGaia17bjgGaiaAlertsGaia source towards/in M31 brightens by 0.7 mag
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
173342017-05-23 12:47:3119.330.2ABMagG-GaiaGaia_Gaia-photometric60Robot
173332017-02-26 00:28:4821.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
71265AT 2020aafw100:42:49.100+41:17:05.00M31Other - OtherYY18.5Clear-2020-11-17 19:15:00.000Conjat
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
898722020-11-17 19:30:56ConjatMatthieu Conjat00:42:49.100+41:17:05.002020-11-17 19:15:00.00018.5Clear-2PNVM31
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1727822020-11-17 19:15:0018.50.519.5ABMagClear-Other_Other1000M. ConjatCassegrain 400mm
1727812020-11-14 19:30:0020ABMagClear-Other_Other2500[Last non detection] Cassegrain 400 mm
44613AT 2019pot100:42:49.114+34:44:52.67ATLASATLASATLASATLAS19usrATLAS1 - ACAM1YY19.862orange-ATLAS2019-09-06 12:18:43.000ATLAS_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
462142019-09-07 12:27:03ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota)ATLASATLAS00:42:49.114+34:44:52.672019-09-06 12:18:43.00019.862orange-ATLAS2PSNATLAS19usrATLAS
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
883072019-09-06 12:18:4319.8620.15419.74ABMagorange-ATLASATLAS1_ACAM130Robot
883062019-09-01 10:58:0419.58ABMagcyan-ATLASATLAS1_ACAM130Robot[Last non detection]
67685AT 2020vak5100:42:49.620+41:16:52.10OtherM31XOSS, GSNSTXOSS, GSNSTNoneGSNST, XOSSXM37MZOther - OtherOther - OtherYY117.6Clear-2020-10-07 15:36:23.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
875032020-10-27 08:19:17GSNSTM. Kendurkar, R. Chinchwadkar, C. Raguenaud and A. Chapman for GSNST TeamGSNSTGSNST00:42:49.362+41:16:51.762020-10-27 08:11:31.77620.09Clear-2PSNM31-0.001GSNST-20cuGSNSTPossible nova or CV candidate in M31, visible in several epochs, on the rise.
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1680172020-10-26 21:18:2320.090.0621ABMagClear-Other_Other1200M. Kendurkar
1680162020-10-08 21:13:3221ABMagClear-Other_Other1200M. Kendurkar[Last non detection]
865542020-10-18 19:59:35sammimasMi Zhang and Xing GaoXOSSXOSS00:42:49.620+41:16:52.102020-10-18 18:03:52.00014.6Clear-1PNVM31XM37MZXOSS
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1661232020-10-18 18:03:5214.620.5VegaMagClear-Other_Other300Mi Zhang and Xing Gao
861562020-10-16 16:43:19sammimasMi Zhang and Xing GaoXOSSXOSS00:42:49.610+41:16:52.202020-10-16 15:30:56.00015.8Clear-2PSNM31XM37MZXOSSOutburst of AT 2020vak. Seeing: http://xjltp.china-vo.org/xm37mz.html
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1654962020-10-16 15:30:5615.820.5VegaMagClear-Other_Other300Mi Zhang and Xing GaoOutburst of AT 2020vak. Seeing: http://xjltp.china-vo.org/xm37mz.html
1654972020-10-15 18:33:0217.120.5VegaMagClear-Other_Other300Mi Zhang and Xing Gao
842182020-10-07 22:30:27ConjatMatthieu Conjat00:42:49.000+41:16:52.002020-10-07 21:30:00.00019Clear-2OtherM31possible Nova
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1622612020-10-07 21:30:00190.519.5ABMagClear-Other_Other1200Matthieu Conjat400mm Cassegrain telescope at the Observatory of Nice - IAU 020
1622602020-10-05 22:40:0019.5ABMagClear-Other_Other1500Matthieu Conjat[Last non detection]
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2020vak_atrep_84218.jpgGraphics2020-10-07 22:30:27Conjat
841652020-10-07 16:11:20sammimasMi Zhang and Xing GaoXOSSXOSS00:42:49.600+41:16:52.302020-10-07 15:36:23.00017.6Clear-2PNVM31XM37MZXOSSSeeing: http://xjltp.china-vo.org/xm37mz.html
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1621262020-10-07 15:36:2317.620.5VegaMagClear-Other_Other300Mi Zhang and Xing GaoSeeing: http://xjltp.china-vo.org/xm37mz.html
1621252020-10-05 13:48:1920.5VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection]
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2020vak_atrep_84165.pngGraphicsDiscovery Image2020-10-07 17:13:32sammimas
Classification reports
IDTime Received (UT)SenderClassifier/sGroupClassificationRedshiftSpectraRelated FilesAssoc. GroupsEnd Prop. PeriodRemarksADS Bibcode
77442020-10-20 08:06:44Lionel MulatoLionel MulatoNoneOther1Nature unknown, Gelato indicates a type II SN.2020TNSCR3191....1M
Spectra
IDObs-date (UT)Tel / InstExp-timeObserver/sReducer/sGroupSpectrum ascii FileSpectrum fits FileSpec. TypeAssoc. GroupsEnd Prop. PeriodRemarks
77582020-10-19 00:35:17Other_Other8400Lionel MulatoNone tns_2020vak_2459141.5245_Other_Other.dat tns_2020vak_2459141.5245_Other_Other.fitsObjectAmateur spectrum acquired from France with an Alpy600 spectroscope (R~600), 0,2 m F/5 Newtonian Telescope, CCD cam Atik414 EX.
Spectra
IDObs-date (UT)Tel / InstExp-timeObserver/sReducer/sGroupSpectrum ascii FileSpectrum fits FileSpec. TypeAssoc. GroupsEnd Prop. PeriodRemarks
77582020-10-19 00:35:17Other / Other8400Lionel MulatoNone tns_2020vak_2459141.5245_Other_Other.dat tns_2020vak_2459141.5245_Other_Other.fitsObjectAmateur spectrum acquired from France with an Alpy600 spectroscope (R~600), 0,2 m F/5 Newtonian Telescope, CCD cam Atik414 EX.
30337AT 2018hfs100:42:49.840+41:23:35.00M31XOSSXOSSXOSSXM146QYOther - OtherYY18.2Clear-2018-10-10 14:26:05.000Xu
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
234472018-10-10 15:37:29Zhijian XuQiang Yin, Xing GaoXOSSXOSS00:42:49.840+41:23:35.002018-10-10 14:26:05.00018.2Clear-2PNVM31XM146QYXOSSQiang Yin and Xing Gao, report the discovery of a possible nova (mag approximately 18.2) on severl 300-s survey images (limiting mag about 21.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Oct. 10.60145 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m49.84s +41d23'35".0 (equinox 2000.0). Which is about 62.2" east and 446.5" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Oct. 09.54888 UT(limiting mag 21.0). NET UCAC-4 XM145QY C2018 10 10.60145 00 42 49.84 +41 23 35.0 18.20V C42,All images can be seen from: http://www.xjltp.com/XOSS/XM146QY/XM146QY.htm , C42,Xingming Observatory - NEXT, Mt. Nanshan. Observers Q.Yin,X.Gao,Measurers Q.Yin, 0.6-m f/8 Ritchey-Chretien telescope and CCD.
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
373982018-10-10 14:26:0518.221VegaMagClear-Other_Other300Qiang Yin, Xing Gao0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
373972018-10-09 13:10:2321VegaMagClear-Other_Other300Xing Gao[Last non detection] 0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
22982AT 2017hqq100:42:50.200+41:15:27.20M31XOSSXOSSXOSSPSP17FOther - OtherYY17.7Clear-2017-10-30 14:22:00.000Sun
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
143392017-10-30 15:51:13Guoyou SunJiangao Ruan,Yanxi Li,Guoyou Sun,Xing GaoXOSSXOSS00:42:50.200+41:15:27.202017-10-30 14:22:00.00017.7Clear-2PNVM31PSP17FXOSS
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
215842017-10-30 14:22:0017.719.5VegaMagClear-Other_Other40Jiangao Ruan,Yanxi Li,Guoyou Sun,Xing GaoWhich is about 66.3" east and 41.3" south of the center of the NGC224(M31).using an unfitered CCD+ Celestron C14 Schmidt-Cassegrain telescope D=365mm @f/6.9.
215832017-10-28 18:03:1619VegaMagClear-Other_Other40X.Gao[Last non detection] using an unfitered CCD+ Celestron C14 Schmidt-Cassegrain telescope D=365mm @f/6.9.
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2017hqq_atrep_14339_XOSS.pngGraphics2017-10-30 15:51:13Guoyou Sun
23620AT 2017iod100:42:50.591-30:49:33.46Pan-STARRS1Pan-STARRS1Pan-STARRS1PS17fenPS1 - GPC1YY19.91i-Sloan2017-08-16 12:40:19.000PS1_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
150472017-11-27 22:15:05PS1_Bot1K. C. Chambers, M. E. Huber, H. Flewelling, E. A. Magnier, A. Schultz, T. Lowe, J. Bulger (IfA, University of Hawaii), S. J. Smartt, K. W. Smith, (Queen's University Belfast), J. Tonry, C. Waters, (IfA, University of Hawaii) D. E. Wright, D. R. Young (Queen's University Belfast)Pan-STARRS1Pan-STARRS100:42:50.591-30:49:33.462017-08-16 12:40:19.00019.91i-Sloan1PSNPS17fenPan-STARRS1
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
227142017-08-16 12:40:1919.910.120.7ABMagi-SloanPS1_GPC145Robot
28455AT 2018ely100:42:50.740+41:15:46.10M31ISSPISSPISSPNGC224Other - OtherYY19.1Clear-2018-07-31 02:08:11.000Belligoli
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
211172018-07-31 09:16:09shangri.starsRaffaele BelligoliISSPISSP00:42:50.740+41:15:46.102018-07-31 02:08:11.00019.1Clear-2PNVM31NGC224ISSPR. Belligoli, Verona, Italy reports the discovery of an PNV by Flavio Castellani, Raffaele Belligoli, Claudio Marangoni and Fernando Marziali, in the course of the ISSP Italian Supernovae Search Project. The new object is located at RA 00 42 50.74 DEC +41 15 46.1 (equinox 2000.0) Offset 76E 19S. Apparent magnitude about 19,1 R in host Galaxy NGC224 (M31).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
328332018-07-31 02:08:1119.10.119.5STMagClear-Other_Other3000Flavio CastellaniThe PNV was clearly detected on '2018 07 31,08902' UT using using 10 x 300s frames (3000s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. The discovery magnitude is 19.1±0.1 mag in the R band.
328322018-07-30 01:49:4319.5STMagClear-Other_Other3000R.Belligoli[Last non detection] The last non-detected image on '2018-07-30 01:49:50' UT using 10 x 300s frames (3000s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. (Latitudine 45° 41' 52" N. Longitudine 10° 51' 32" E)
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2018ely_atrep_21117_ISSP.jpgGraphicsM31 Discovery image on '2018-07-30.08902' UT using using 10 x 300s frames (3000s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. (Latitudine 45° 41' 52" N. Longitudine 10° 51' 32" E).2018-07-31 09:16:09shangri.stars
34220AT 2019akn200:42:50.997+41:21:04.36M31XOSS, ATLASXOSS, ATLASATLAS, XOSSXM09MZATLAS1 - ACAM1, Other - OtherYY18.8Clear-2019-02-03 13:03:59.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
298952019-02-12 11:44:51ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, K. Maguire, S. J. Prentice, O. McBrien, D. O'Neill, P. Clark, M. Magee, M. Fulton, A. McCormack (Queen's University Belfast), D. E. Wright (University of Minnesota)ATLASATLAS00:42:50.997+41:21:04.362019-02-12 05:38:24.00017.669orange-ATLAS2PSNATLAS19dhdATLAS
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
536112019-02-12 05:38:2417.6690.17419.03ABMagorange-ATLASATLAS1_ACAM130Robot
536102019-01-31 06:00:0018.73ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
295252019-02-03 13:41:46sammimasMi ZhangXOSSXOSS00:42:51.000+41:21:03.802019-02-03 13:03:59.00018.8Clear-2PNVM31XM09MZXOSSMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 18.8) on severl 300-s survey images (limiting mag about 20.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Feb. 03.54817 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m51.00s +41d21'03".8 (equinox 2000.0). Which is about 75.3" east and 295.3" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Jan. 29.55427 UT(limiting mag 20.5).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
529382019-02-03 13:03:5918.820.5VegaMagClear-Other_Other300Mi Zhang and Xing GaoMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 18.8) on severl 300-s survey images (limiting mag about 20.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Feb. 03.54817 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m51.00s +41d21'03".8 (equinox 2000.0). Which is about 75.3" east and 295.3" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Jan. 29.55427 UT(limiting mag 20.5).
529372019-01-29 13:18:0920.5VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2019akn_atrep_29525_XOSS.pngGraphics2019-02-03 15:09:08sammimas
48997AT 2019vzu200:42:51.760+41:11:26.60M31XOSSXOSSXOSSXM20MZOther - OtherYY19.7Clear-2019-11-26 15:47:14.000Zhang
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
539042019-12-03 16:15:54sammimasMi Zhang and Xing GaoXOSSXOSS00:42:51.760+41:11:26.602019-11-28 17:04:48.00019.6Clear-3PNVM31XM20MZXOSSusing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1049612019-12-03 13:45:1819.521VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
1049602019-11-30 15:36:3219.521VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
1049592019-11-28 17:04:4819.621VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2019vzu_atrep_53904.pngGraphicsAT 2019vzu-201911282019-12-03 16:20:41sammimas
tns_2019vzu_atrep_53904_0.pngGraphicsAT 2019vzu-201911302019-12-03 16:20:41sammimas
tns_2019vzu_atrep_53904_1.pngGraphicsAT 2019vzu-201912032019-12-03 16:20:41sammimas
538842019-12-03 14:47:42sammimasMi Zhang and Xing GaoXOSSXOSS00:42:51.760+41:11:26.602019-11-26 15:47:14.00019.7Clear-2PNVM31XM20MZXOSSMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 19.7) on several 300-s survey images (limiting mag about 21.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Nov. 26.65780 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m51.76s +41d11'26".6 (equinox 2000.0). Which is about 83.9" east and 281.9" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Nov. 19.56625 UT(limiting mag 21.0).
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1049032019-11-26 15:47:1419.721VegaMagClear-Other_Other300Mi Zhang and Xing Gaousing a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
1049022019-11-19 13:35:2421VegaMagClear-Other_Other300Xing Gao[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2019vzu_atrep_53884.pngGraphicsDiscovery Image2019-12-03 16:19:32sammimas
74834AT 2021ms100:42:51.983+19:19:03.91ATLASATLASATLASATLAS21aktATLAS1 - ACAM1YY19.331orange-ATLAS2021-01-03 06:43:12.000ATLAS_Bot1
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
958642021-01-07 01:05:50ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, M. Fulton, J. Gillanders (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)ATLASATLAS00:42:51.983+19:19:03.912021-01-03 06:43:12.00019.331orange-ATLAS2PSNATLAS21aktATLAS
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1845602021-01-03 06:43:1219.3310.1719.7ABMagorange-ATLASATLAS1_ACAM130Robot
1845592020-12-28 07:06:1418.65ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
76069AT 2021bfs3100:42:52.179+41:16:24.52NovaM31ISSP, ATLAS, ALeRCEISSP, ATLAS, ZTFNoneATLAS, ISSP, ZTFPNV-OMB15ATLAS1 - ACAM1, Other - Other, P48 - ZTF-CamOther - OtherYY117.6Clear-2021-01-26 17:16:48.000Belligoli
AT reports
IDTime Received (UT)SenderReporter/s (Discoverer/s)Reporting GroupDisc. Data SourceRADECDiscovery Date (UT)Discovery Mag.FilterPhotometryRelated FilesAT TypeHost NameHost RedshiftInternal NameAssoc. GroupsEnd Prop. PeriodRemarks
981682021-02-03 19:46:22ALeRCEA. Munoz-Arancibia, F. Forster, F.E. Bauer, L. Hernandez-Garcia, G. Pignata, L. Galbany, E. Camacho, J. Silva-Farfan, A. Mourao, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE brokerALeRCEZTF00:42:52.179+41:16:24.522021-02-03 03:15:38.00215.9598g-ZTF2PSNM31ZTF21aagkzmcZTFNova candidate in M31 (g-rise > 0.29+-0.00 mag/day) classified using ALeRCE's stamp classifier - see http://arxiv.org/abs/2008.03309 - and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF21aagkzmc
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1893692021-02-03 03:15:3815.95980.032718520.0944ABMagg-ZTFP48_ZTF-Cam30RobotData provided by ZTF
1893682021-01-18 03:48:2220.6009ABMagr-ZTFP48_ZTF-Cam30Robot[Last non detection] Data provided by ZTF
978712021-01-28 11:21:53ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, M. Fulton, J. Gillanders (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)ATLASATLAS00:42:52.173+41:16:24.522021-01-28 06:38:52.80016.733orange-ATLAS2PSNATLAS21dfmATLAS
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1888362021-01-28 06:38:5316.7330.11217.46ABMagorange-ATLASATLAS1_ACAM130Robot
1888352021-01-25 05:39:5013.81ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
978402021-01-26 20:55:16shangri.starsRaffaele BelligoliISSPISSP00:42:52.200+41:16:24.602021-01-26 17:16:48.00017.6Clear-2PNVM31PNV-OMB15ISSPOMB extragalactic nova monitoring with ISSP collaboration reports the discovery of a probable nova in M31 by F.Castellani, R.Belligoli and C.Marangoni. The transient designated also PNV J00425220+4116246
Photometry
IDObs-date (UT)Mag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserverRemarks
1887772021-01-26 17:16:4817.60.0519STMagClear-Other_Other4800F.CastellaniNew transient was clearly detected on '2021-01-26.7209' UT using 16 x 300s frames (4800s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. The discovery magnitude is 17.6±0.5 mag in the CV band (clear visual). We will continue to monitor the nova light curve and strongly encourage additional follow-up observations.
1887762021-01-24 18:54:4319STMagClear-Other_Other4800F.Castellani[Last non detection] Last non-detected image on '2021-01-24.78888' UT using 16x 300s frames (4800s total) was obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2021bfs_atrep_97840_ISSP.jpgGraphicsThe new transient was clearly detected on '2021-01-26.7209' UT using 16 x 300s frames (4800s total) obtained by a Moravian G4-9000 KAF unfiltered CCD with the 0.4m f.8 Ritchey-Chrétien telescope from Monte Baldo "A.Gelodi" Astronomic Observatory, località Novezzina, Ferrara di Monte Baldo, Verona, Italy. The discovery magnitude is 17.6±0.5 mag in the CV band (clear visual). The discovery image is also available at: http://www.osservatoriomontebaldo.it/uploads/ISSP/20210126-M31-PNVJ00425220.4116246.jpg2021-01-26 20:55:16shangri.stars
Classification reports
IDTime Received (UT)SenderClassifier/sGroupClassificationRedshiftSpectraRelated FilesAssoc. GroupsEnd Prop. PeriodRemarksADS Bibcode
87772021-02-05 05:31:15kentagchKenta Tagchi (Kyoto Univ), Naoto Kojiguchi (Kyoto), Keisuke Isogai (Kyoto), Claudio Balcon (ISSP)NoneNova1ATel #143702021TNSCR.354....1T
Spectra
IDObs-date (UT)Tel / InstExp-timeObserver/sReducer/sGroupSpectrum ascii FileSpectrum fits FileSpec. TypeAssoc. GroupsEnd Prop. PeriodRemarks
87892021-02-04 09:36:00Other_Other1800Taguchi,IsogaiTaguchiNone tns_2021bfs_2021-02-04.4_Other_Other.dat tns_2021bfs_2021-02-04.4_Other_Other.fitsObjectSee ATel #14370. Using a fiber-fed integral field spectrograph (KOOLS-IFU) mounted on the 3.8-m telescope Seimei at Okayama Observatory of Kyoto University.
Spectra
IDObs-date (UT)Tel / InstExp-timeObserver/sReducer/sGroupSpectrum ascii FileSpectrum fits FileSpec. TypeAssoc. GroupsEnd Prop. PeriodRemarks
87892021-02-04 09:36:00Other / Other1800Taguchi,IsogaiTaguchiNone tns_2021bfs_2021-02-04.4_Other_Other.dat tns_2021bfs_2021-02-04.4_Other_Other.fitsObjectSee ATel #14370. Using a fiber-fed integral field spectrograph (KOOLS-IFU) mounted on the 3.8-m telescope Seimei at Okayama Observatory of Kyoto University.

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