SN 2021xn
RA/DEC (2000)
01:37:50.930 +53:39:51.91
24.462208 +53.664419
Type
SN Ia
Redshift
0.017
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2021-01-10 03:47:21.998
TNS AT
Y
Public
Y
Host Name
SDSS J013751.16+533958.8
Host Redshift
0.013
Discovery Mag
19.358
Filter
g-ZTF
Reporter/s
F. Forster, F.E. Bauer, A. Munoz-Arancibia, G. Pignata, L. Hernandez-Garcia, 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 broker

Spectra

 SN_2021xn - 2021-01-26 19:40:00 Other / Other (None)z=
 SN_2021xn - 2021-01-14 17:51:00 Other / Other (None)z=
 SN_2021xn - 2021-01-14 03:57:12 P60 / SEDM (ZTF)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)
Spectra
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
87282021-01-26 19:40:00Other / Other6000Claudio Balcon (Belluno)Claudio BalconNone tns_2021xn_2021-01-26_19-40-00_Other_Other.dat tns_2021xn_2021-01-26_19-40-00_Other_Other.fitObjectI obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.2m telescope, in the course of Italian Supernovae Search Project.
85812021-01-14 17:51:00Other / Other2400Susanna D'Isep, Sara Balcon, Claudio BalconClaudio BalconNone tns_2021xn_2021-01-14_17-51-00_Other_Other.dat tns_2021xn_2021-01-14_17-51-00_Other_Other.fitObjectI obtained the low-resolution spectrum R~100 using the FOSC-ES32 spectrograph attached to a 0.2m telescope, in the course of Italian Supernovae Search Project.
86022021-01-14 03:57:12P60 / SEDM2700SEDmRobotautoZTF tns_2021xn_2021-01-14_03-57-11.740813_P60_SEDM_ZTF.asciiObjectZTF
Light Curves
FilterTel / InstObs-date rangePhotometry
cyan-ATLASATLAS1_ACAM12021-01-08 06:33:07 - 2021-01-12 06:40:192
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1860082021-01-12 06:40:1918.0260.07119.79ABMagcyan-ATLASATLAS1_ACAM130Robot
1860072021-01-08 06:33:0719.74ABMagcyan-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2020-12-25 21:54:43 - 2021-01-13 02:06:432
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1930812021-01-13 02:06:4317.720.2ABMagG-GaiaGaia_Gaia-photometric60Robot
1930802020-12-25 21:54:4321.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
g-ZTFP48_ZTF-Cam2021-01-08 03:42:58 - 2021-01-10 03:47:223
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1880142021-01-10 03:47:2219.3580.10617620.3765ABMagg-ZTFP48_ZTF-Cam30RobotData provided by ZTF, classified by Fink
1857412021-01-10 03:47:2219.3580.10617620.3765ABMagg-ZTFP48_ZTF-Cam30RobotData provided by ZTF
1880132021-01-08 03:42:5819.6699ABMagg-ZTFP48_ZTF-Cam30Robot[Last non detection] Data provided by ZTF, classified by Fink
r-ZTFP48_ZTF-Cam2021-01-08 05:15:18 - 2021-01-10 05:20:302
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1857422021-01-10 05:20:3019.16240.10125320.0125ABMagr-ZTFP48_ZTF-Cam30RobotData provided by ZTF
1857402021-01-08 05:15:1820.4688ABMagr-ZTFP48_ZTF-Cam30Robot[Last non detection] Data provided by ZTF
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
997142021-02-17 10:10:08Gaia_Bot1S.T. Hodgkin, E. Breedt, A. Delgado, D.L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas (IoA Cambridge), N. Ihanec, K. Kruszyńska, K.A. Rybicki, Ł. Wyrzykowski (Warsaw University Astronomical Observatory), Z. Kostrzewa-Rutkowska (Leiden Observatory), D. Eappachen (SRON/RU), G. Marton (Konkoly Observatory), on behalf of the Gaia Alerts teamGaiaAlertsGaiaAlerts01:37:50.930+53:39:51.912021-01-13 02:06:43.20017.72G-GaiaPSNGaia21avkGaiaAlertsconfirmed SN Ia
973152021-01-18 20:19:04FinkJulien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink brokerFinkZTF01:37:50.913+53:39:51.922021-01-10 03:47:21.99819.358g-ZTFPSNZTF21aacvhscZTFEarly SN candidate classified by Fink using the public ZTF stream. Object data at http://134.158.75.151:24000/ZTF21aacvhsc
964792021-01-12 15:47:57ATLAS_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)ATLASATLAS01:37:50.933+53:39:52.002021-01-12 06:40:19.20018.026cyan-ATLASPSNATLAS21bgvATLAS
963402021-01-10 17:09:20ALeRCEF. Forster, F.E. Bauer, A. Munoz-Arancibia, G. Pignata, L. Hernandez-Garcia, 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 brokerALeRCEZTF01:37:50.911+53:39:51.832021-01-10 03:47:21.99819.358g-ZTFPSNZTF21aacvhscZTFEarly SN candidate (g-rise > 0.17+-0.02 mag/day, r-rise > 0.65+-0.05 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/ZTF21aacvhsc
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
87162021-01-31 20:04:21balclaClaudio BalconNoneSN Ia0.017The spectrum is consistent with those of SNe Ia. The expansion velocity deduced from the Si II 635.5 nm absorption is about 11000 km/s. The redshift is from H-alpha line of the host galaxy.2021TNSCR.297....1B
85902021-01-18 05:04:01ZTF_Bot1A. Dahiwale, C. Fremling(Caltech) on behalf of the Zwicky Transient Facility (ZTF)ZTFSN Ia0.032ZTF2021TNSCR.193....1D
85692021-01-14 18:47:19balclaClaudio BalconNoneSN Ia0.016GELATO (Harutyunyan et al., 2008, A&A, 488, 383) suggests that this SN is similar to that of Type la. The redshift has been deduced from the SN spectral fitting2021TNSCR.145....1B

Comments

Object coordinates updated according to AT-report 99714 of Group GaiaAlerts
Previous RA, DEC: 01:37:50.913, +53:39:51.92 (24.462137033333, +53.6644218)
Updated RA, DEC: 01:37:50.930, +53:39:51.91 (24.462208, 53.664419)

Object coordinates updated according to AT-report 97315 of Group ZTF
Previous RA, DEC: 01:37:50.911, +53:39:51.83 (24.462129, +53.6643968)
Updated RA, DEC: 01:37:50.913, +53:39:51.92 (24.462137033333, 53.6644218)