SN 2021cwc
RA/DEC (2000)
06:39:46.830 +65:27:07.42
99.945125 +65.452061
Type
SN Ia
Redshift
0.021
Related AstroNotes: 2021-65
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2021-02-13 09:08:38.400
TNS AT
Y
Public
Y
Discovery Mag
18.337
Filter
cyan-ATLAS
Reporter/s
J. 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)

Spectra

 SN_2021cwc - 2021-02-14 00:00:00 NOT / ALFOSC (None)z=
 SN_2021cwc - 2021-02-14 00:00:00 NOT / ALFOSC (None)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
Show C II at z=vexp= km/s
Show C III at z=vexp= km/s
Show C IV at z=vexp= km/s
Show N II at z=vexp= km/s
Show N III at z=vexp= km/s
Show N IV at z=vexp= km/s
Show N V 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 O V at z=vexp= km/s
Show O VI 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 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
89532021-02-14 00:00:00NOT / ALFOSCC. R. AngusNone tns_2021cwc_2021-02-14_NOT_ALFOSC_0.txtObject
89332021-02-14 00:00:00NOT / ALFOSCC.R.AngusNone tns_2021cwc_2021-02-14_NOT_ALFOSC.txtObject
Light Curves
FilterTel / InstObs-date rangePhotometry
cyan-ATLASATLAS-HKO_ATLAS-022021-02-11 09:02:53 - 2021-02-11 09:02:531
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1925912021-02-11 09:02:5319.74ABMagcyan-ATLASATLAS-HKO_ATLAS-0230Robot[Last non detection]
cyan-ATLASATLAS-MLO_ATLAS-012021-02-13 09:08:38 - 2021-02-13 09:08:381
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1925922021-02-13 09:08:3818.3370.06719.74ABMagcyan-ATLASATLAS-MLO_ATLAS-0130Robot
G-GaiaGaia_Gaia-photometric2021-02-22 21:04:19 - 2021-03-17 02:57:072
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1985492021-03-17 02:57:0718.440.2ABMagG-GaiaGaia_Gaia-photometric60Robot
1985482021-02-22 21:04:1921.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
1028262021-03-18 17:16:39Gaia_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 teamGaiaAlertsGaiaAlerts06:39:46.830+65:27:07.422021-03-17 02:57:07.20018.44G-GaiaPSNGaia21bjpGaiaAlertsconfirmed SN Ia
994412021-02-13 23:11:07ATLAS_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)ATLASATLAS06:39:46.830+65:27:07.552021-02-13 09:08:38.40018.337cyan-ATLASPSNATLAS21flzATLAS
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
89432021-02-16 18:32:19crangusA. N. Kolborg, C. R. Angus NoneSN Ia0.021Spectrum taken with ALFOSC/NOT in gr4 on 14/02/2021. Template matches to SN Ia. Classification was done using GELATO and superfit.2021TNSCR.490....1K
89232021-02-15 19:34:21crangusA. N. Kolborg. C. R. AngusNoneSN Ia0.09Spectrum taken with ALFOSC/NOT in gr4 on 14/02/2021. Template matches to pre-max SN Ia. Classification was done using GELATO and superfit. 2021TNSCR.477....1A

Comments

Object coordinates updated according to AT-report 102826 of Group GaiaAlerts
Previous RA, DEC: 06:39:46.830, +65:27:07.55 (99.945125, +65.4520971429)
Updated RA, DEC: 06:39:46.830, +65:27:07.42 (99.945125, 65.452061)