RA/DEC (2000)
06:39:46.830 +65:27:07.42
99.945125 +65.452061
Type
SN Ia
Redshift
0.021
Discovery ReportClassification Report
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)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

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)

Light curves

 ▌Gaia_Gaia-photometric_G
 ▌ATLAS-MLO_ATLAS-01_cyan
 ▌ATLAS-HKO_ATLAS-02_cyan
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
 ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
8953 2021-02-14 00:00:00 NOT / ALFOSC C. R. Angus None tns_2021cwc_2021-02-14_NOT_ALFOSC_0.txt Object
8933 2021-02-14 00:00:00 NOT / ALFOSC C.R.Angus None tns_2021cwc_2021-02-14_NOT_ALFOSC.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
G-Gaia Gaia_Gaia-photometric 2021-02-22 21:04:19 - 2021-03-17 02:57:07 2459268.378 - 2459290.623 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
198549 2021-03-17 02:57:07 2459290.623 18.44 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
198548 2021-02-22 21:04:19 2459268.378 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2021-02-13 09:08:38 - 2021-02-13 09:08:38 2459258.881 - 2459258.881 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
192592 2021-02-13 09:08:38 2459258.881 18.337 0.067 19.74 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
cyan-ATLAS ATLAS-HKO_ATLAS-02 2021-02-11 09:02:53 - 2021-02-11 09:02:53 2459256.877 - 2459256.877 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
192591 2021-02-11 09:02:53 2459256.877 19.74 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
102826 2021-03-18 17:16:39 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 06:39:46.830 +65:27:07.42 2021-03-17 02:57:07.200 18.44 G-Gaia PSN Gaia21bjp GaiaAlerts confirmed SN Ia N
99441 2021-02-13 23:11:07 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 06:39:46.830 +65:27:07.55 2021-02-13 09:08:38.400 18.337 cyan-ATLAS PSN ATLAS21flz ATLAS 2021TNSTR.453....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
8943 2021-02-16 18:32:19 Charlotte Angus A. N. Kolborg, C. R. Angus None SN Ia 0.021 1 Spectrum 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
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
8953 2021-02-14 00:00:00 NOT / ALFOSC C. R. Angus None tns_2021cwc_2021-02-14_NOT_ALFOSC_0.txt Object
8923 2021-02-15 19:34:21 Charlotte Angus A. N. Kolborg. C. R. Angus None SN Ia 0.09 1 Spectrum 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
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
8933 2021-02-14 00:00:00 NOT / ALFOSC C.R.Angus None tns_2021cwc_2021-02-14_NOT_ALFOSC.txt Object

Comments

TNS
System

Thu, 03/18/2021 - 16:30

Object coordinates updated

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)