SN 2021ab
RA/DEC (2000)
10:23:48.860 -26:28:09.80
155.953583 -26.469389
Type
SN Ia
Redshift
0.07
Related AstroNotes: 2021-11
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2021-01-01 11:33:32.003
TNS AT
Y
Public
Y
Host Name
WISEA J102348.94-262810.4
Discovery Mag
18.7325
Filter
g-ZTF
Reporter/s
F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, L. Hernandez-Garcia, L. Galbany, G. Pignata, 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_2021ab - 2021-01-08 06:18:47 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
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Show Fe II at z=vexp= km/s
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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
85122021-01-08 06:18:47ESO-NTT / EFOSC2-NTT600J. Gillanders, S. SrivastavM. Fulton, L. J. Shingles, K. W. SmithePESSTO+ tns_2021ab_2021-01-08_06-18-47_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2021ab_2021-01-08_06-18-47_ESO-NTT_EFOSC2-NTT_ePESSTO+.fitsObjectePESSTO+
Light Curves
FilterTel / InstObs-date rangePhotometry
i-SloanPS1_GPC12021-01-03 13:42:14 - 2021-01-03 13:42:141
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1858692021-01-03 13:42:1418.840.0520.7ABMagi-SloanPS1_GPC145Robot
orange-ATLASATLAS1_ACAM12021-01-03 13:22:05 - 2021-01-05 12:46:052
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1844742021-01-05 12:46:0518.4450.13219.05ABMagorange-ATLASATLAS1_ACAM130Robot
1844732021-01-03 13:22:0518.93ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2020-12-15 23:12:29 - 2021-01-22 10:48:002
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1884472021-01-22 10:48:0018.780.2ABMagG-GaiaGaia_Gaia-photometric60Robot
1884462020-12-15 23:12:2921.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
g-ZTFP48_ZTF-Cam2021-01-01 11:33:32 - 2021-01-02 10:33:312
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1832242021-01-02 10:33:3118.52130.14449818.6855ABMagg-ZTFP48_ZTF-Cam30RobotData provided by ZTF
1832232021-01-01 11:33:3218.73250.19332718.5861ABMagg-ZTFP48_ZTF-Cam30RobotData provided by ZTF
r-ZTFP48_ZTF-Cam2020-12-21 12:04:03 - 2021-01-02 12:29:512
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1832252021-01-02 12:29:5118.60560.13069219.0904ABMagr-ZTFP48_ZTF-Cam30RobotData provided by ZTF
1832222020-12-21 12:04:0320.0535ABMagr-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
975842021-01-23 13:02:59Gaia_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 teamGaiaAlertsGaiaAlerts10:23:48.860-26:28:09.802021-01-22 10:48:00.00018.78G-GaiaPSNGaia21akdGaiaAlertsconfirmed SN Ia
964092021-01-11 02:49:08PS1_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, M. Fulton, S. J. Smartt, D. O'Neill, P. Clark, S. Sim (Queen's University Belfast), D. E. Wright (University of Minnesota)Pan-STARRS1Pan-STARRS110:23:48.869-26:28:09.762021-01-03 13:42:14.40018.84i-SloanPSNPS21exPan-STARRS1This transient was discovered with the help of citizen science project Supernova Hunters run by Zooniverse.
958172021-01-07 00:24:13ATLAS_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)ATLASATLAS10:23:48.861-26:28:10.302021-01-05 12:46:04.80018.445orange-ATLASPSNATLAS21akdATLAS
953142021-01-02 18:34:12ALeRCEF. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, L. Hernandez-Garcia, L. Galbany, G. Pignata, 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 brokerALeRCEZTF10:23:48.870-26:28:09.782021-01-01 11:33:32.00318.7325g-ZTFPSNZTF21aaabuojZTFEarly SN candidate (g-rise > 0.12+-0.02 mag/day, r-rise > 0.12+-0.01 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/ZTF21aaabuoj
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
85002021-01-08 19:51:35ePESSTOplus_Bot1J. Gillanders, S. Srivastav, M. Fulton, L. J. Shingles, K. W. Smith, E. Zimmerman on behalf of ePESSTO+ePESSTO+SN Ia0.07ePESSTO+2021TNSCR..86....1G

Comments

Object coordinates updated according to AT-report 97584 of Group GaiaAlerts
Previous RA, DEC: 10:23:48.869, -26:28:09.76 (155.953619871, -26.4693786909)
Updated RA, DEC: 10:23:48.860, -26:28:09.80 (155.953583, -26.469389)

Object coordinates updated according to AT-report 96409 of Group Pan-STARRS1
Previous RA, DEC: 10:23:48.870, -26:28:09.78 (155.953625, -26.4693846666667)
Updated RA, DEC: 10:23:48.869, -26:28:09.76 (155.953619871, -26.4693786909)