SN 2021gtc
RA/DEC (2000)
04:12:47.360 +36:53:50.46
63.197333 +36.89735
Reporting Group
Discovering Data Source
Discovery Date
2021-03-17 04:27:52.992
Discovery Mag
K. De (Caltech) on behalf of ZTF


 SN_2021gtc - 2021-03-30 19:40:00 Other / Other (None)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
92602021-03-30 19:40:00Other / Other3600Claudio BalconClaudio BalconNone tns_2021gtc_2021-03-30_19-40-00_Other_Other.dat tns_2021gtc_2021-03-30_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.
Light Curves
FilterTel / InstObs-date rangePhotometry
cyan-ATLASATLAS1_ACAM12021-03-15 05:52:48 - 2021-03-15 05:52:481
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
2007392021-03-15 05:52:4819.56ABMagcyan-ATLASATLAS1_ACAM130Robot[Last non detection]
orange-ATLASATLAS1_ACAM12021-03-25 05:54:14 - 2021-03-25 05:54:141
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
2007402021-03-25 05:54:1417.330.06918.84ABMagorange-ATLASATLAS1_ACAM130Robot
G-GaiaGaia_Gaia-photometric2021-02-14 14:44:10 - 2021-03-17 00:31:412
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
2042492021-03-17 00:31:4119.490.2ABMagG-GaiaGaia_Gaia-photometric60Robot
2042482021-02-14 14:44:1021.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
g-ZTFP48_ZTF-Cam2021-03-17 04:27:12 - 2021-03-17 04:27:534
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1999462021-03-17 04:27:5319.814320.2717ABMagg-ZTFP48_ZTF-Cam30None
2021102021-03-17 04:27:5319.81430.20128220.2717ABMagg-ZTFP48_ZTF-Cam30RobotData provided by ZTF, classified by Fink
1999452021-03-17 04:27:1220.2722ABMagg-ZTFP48_ZTF-Cam30None[Last non detection]
2021092021-03-17 04:27:1220.2722ABMagg-ZTFP48_ZTF-Cam30Robot[Last non detection] Data provided by ZTF, classified by Fink
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
1055972021-04-07 11:11:15Gaia_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 teamGaiaAlertsGaiaAlerts04:12:47.360+36:53:50.462021-03-17 00:31:40.80019.49G-GaiaPSNGaia21brsGaiaAlertsconfirmed SN Ia
1047652021-04-02 19:16:58FinkJulien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink brokerFinkZTF04:12:47.350+36:53:50.372021-03-17 04:27:53.00119.8143g-ZTFPSNZTF21aapdphmZTFEarly SN candidate classified by Fink using the public ZTF stream. Object data at
1039072021-03-25 11:45:38ATLAS_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, C. Webb (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)ATLASATLAS04:12:47.357+36:53:50.402021-03-25 05:54:14.40017.33orange-ATLASPSNATLAS21jdvATLAS
1034972021-03-21 16:02:28ZTF_CLU_PUBLICK. De (Caltech) on behalf of ZTFZTFZTF04:12:47.349+36:53:50.412021-03-17 04:27:52.99219.8143g-ZTFPSNZTF21aapdphmZTF
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
92502021-03-31 05:41:22balclaClaudio Balcon (Belluno A.O.- ISSP)NoneSN Ia0.020141GELATO (Harutyunyan et al., 2008, A&A, 488, 383) suggests that this SN is similar to that of Type la at the redshift of the host galaxy (z=0.020141; value from NED).2021TNSCR.977....1B


Object coordinates updated according to AT-report 105597 of Group GaiaAlerts
Previous RA, DEC: 04:12:47.350, +36:53:50.37 (63.197290128571, +36.897323807143)
Updated RA, DEC: 04:12:47.360, +36:53:50.46 (63.197333, 36.89735)

Object coordinates updated according to AT-report 104765 of Group ZTF
Previous RA, DEC: 04:12:47.349, +36:53:50.41 (63.1972894, +36.8973357)
Updated RA, DEC: 04:12:47.350, +36:53:50.37 (63.197290128571, 36.897323807143)