RA/DEC (2000)
12:28:58.780 +03:34:22.01
187.244917 +3.572781
Type
SN Ia
Redshift
0.002939
Related AstroNotes: 2020-130
Reporting Group
None
Discovering Data Source
None
Discovery Date
2020-07-01 13:10:34.000
TNS AT
Y
Public
Y
Host Name
NGC 4457
Discovery Mag
13
Filter
Clear-
Reporter/s
Koichi Itagaki
Spectra

▌SN_2020nvb - 2020-07-01 21:50:24 LT / SPRAT (None)z=
▌SN_2020nvb - 2020-07-01 20:40:02 Other / Other (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)
Comments
TNS System (WIS)
Fri, 07/31/2020 - 20:56
Object coordinates updated
Object coordinates updated according to AT-report 79010 of Group GaiaAlerts
Previous RA, DEC: 12:28:58.790, +03:34:22.09 (187.24496, +3.57280222222)
Updated RA, DEC: 12:28:58.780, +03:34:22.01 (187.244917, 3.572781)
TNS System (WIS)
Wed, 07/01/2020 - 18:25
Object coordinates updated
Object coordinates updated according to AT-report 75559 of Group ATLAS
Previous RA, DEC: 12:28:58.820, +03:34:22.10 (187.245083, +3.572806)
Updated RA, DEC: 12:28:58.790, +03:34:22.09 (187.24496, 3.57280222222)
Mr. Patrick Schmeer (AAVSO)
Wed, 07/01/2020 - 18:07
Confirmed by ASAS-SN Sky Patrol observations (2020 July 1.26 UT)
This transient is confimed by recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) data at https://asas-sn.osu.edu/light_curves/94fac18b-4c97-45af-8989-b5b38eaca7ee — gmag. 13.1 (corrected) on 2020 July 1.260 UT.
Mr. Koichi Itagaki
Wed, 07/01/2020 - 14:32
image
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