SN 2021gn
RA/DEC (2000)
23:09:09.980 +28:18:03.85
347.291583 +28.301069
Type
SN Ia
Redshift
0.044
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2021-01-01 02:15:21.600
TNS AT
Y
Public
Y
Discovery Mag
18.7
Filter
g-ZTF
Reporter/s
C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration

Spectra

 SN_2021gn - 2021-01-06 03:19:21 P60 / SEDM (ZTF)z=
 SN_2021gn - 2021-01-06 03:19:21 P60 / SEDM (ZTF)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
Show O at z=vexp= km/s
Show [O I] at z=vexp= km/s
Show O II at z=vexp= km/s
Show [O II] at z=vexp= km/s
Show [O III] at z=vexp= km/s
Show Na at z=vexp= km/s
Show Mg at z=vexp= km/s
Show Mg II at z=vexp= km/s
Show Si II at z=vexp= km/s
Show S II at z=vexp= km/s
Show Ca II at z=vexp= km/s
Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
Show Fe III at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
Show WR-WC/O at z=vexp= km/s
   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
85072021-01-06 03:19:21P60 / SEDM2700SEDmRobotautoZTF tns_2021gn_2021-01-06_03-19-20.967651_P60_SEDM_ZTF_0.asciiObjectZTF
84902021-01-06 03:19:21P60 / SEDM2700SEDmRobotautoZTF tns_2021gn_2021-01-06_03-19-20.967651_P60_SEDM_ZTF.asciiObjectZTF
Light Curves
FilterTel / InstObs-date rangePhotometry
G-GaiaGaia_Gaia-photometric2020-12-17 03:50:24 - 2021-01-18 03:21:362
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1881072021-01-18 03:21:3618.250.2ABMagG-GaiaGaia_Gaia-photometric60Robot
1881062020-12-17 03:50:2421.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
g-ZTFP48_ZTF-Cam2020-12-27 03:28:48 - 2021-01-01 02:15:222
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1838592021-01-01 02:15:2218.7ABMagg-ZTFP48_ZTF-Cam30ZTF
1838582020-12-27 03:28:4817.99ABMagg-ZTFP48_ZTF-Cam30ZTF[Last non detection]
r-ZTFP48_ZTF-Cam2021-01-05 03:15:50 - 2021-01-05 03:15:501
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1838602021-01-05 03:15:5017.99ABMagr-ZTFP48_ZTF-Cam30ZTF
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
973692021-01-19 12:00:06Gaia_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 teamGaiaAlertsGaiaAlerts23:09:09.980+28:18:03.852021-01-18 03:21:36.00018.25G-GaiaPSNGaia21aikGaiaAlertsconfirmed SN Ia
955602021-01-05 20:02:12ZTF_Bot1C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaborationZTFZTF23:09:09.980+28:18:03.882021-01-01 02:15:21.60018.7g-ZTFPSNZTF21aaaadmoZTF
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
84952021-01-08 16:47:55ZTF_Bot1A. Dahiwale, C. Fremling(Caltech) on behalf of the Zwicky Transient Facility (ZTF)ZTFSN Ia0.044ZTF2021TNSCR..87....1D
84782021-01-06 23:30:36ZTF_Bot1A. Dahiwale, C. Fremling(Caltech) on behalf of the Zwicky Transient Facility (ZTF)ZTFSN Ia0.044ZTF2021TNSCR..66....1D

Comments

Object coordinates updated according to AT-report 97369 of Group GaiaAlerts
Previous RA, DEC: 23:09:09.980, +28:18:03.88 (347.2915842, +28.3010768)
Updated RA, DEC: 23:09:09.980, +28:18:03.85 (347.291583, 28.301069)