RA/DEC (2000)
12:28:50.250 -01:56:38.80
187.209375 -1.944111
Type
SN Ia
Redshift
0.008076
Reporting Group
None
Discovering Data Source
None
Discovery Date
2020-11-30 20:29:11.000
TNS AT
Y
Public
Y
Host Name
NGC 4454
Discovery Mag
16.3
Filter
Clear-
Reporter/s
Koichi Itagaki

Spectra

 SN_2020abgq - 2020-12-02 12:13:50 P60 / SEDM (ZTF)z=
 SN_2020abgq - 2020-12-01 19:12:00 Other / Other (None)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 PS2_GPC2_w
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 Gaia_Gaia-photometric_G
 ATLAS-HKO_ATLAS-02_orange
 ATLAS-HKO_ATLAS-02_cyan
 PS1_GPC1_w
 Other_Other_Clear
   
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
8968 2020-12-02 12:13:50 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2020abgq_2020-12-02_12-13-50.159767_P60_SEDM_ZTF.ascii Object
8080 2020-12-01 19:12:00 Other / Other 3000 M. Kawabata None tns_2020abgq_2459185.3_Other_Other.dat Object Spectra obtained using KOOLS-IFU (Matsubayashi et al. 2019) on the 3.8m Seimei telescope of Kyoto University.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2021-01-16 14:42:43 - 2021-01-16 14:42:43 2459231.113 - 2459231.113 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
193524 2021-01-16 14:42:43 2459231.113 18.47 0.06 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2020-11-27 13:29:01 - 2020-12-01 12:06:16 2459181.0618171 - 2459185.0043519 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
175744 2020-12-01 12:06:16 2459185.0043519 16.51 0.03 19.31 ABMag r-ZTF P48_ZTF-Cam 30
175743 2020-11-27 13:29:01 2459181.0618171 17.7 0.09 18.95 ABMag r-ZTF P48_ZTF-Cam 30
g-ZTF P48_ZTF-Cam 2020-11-24 12:37:57 - 2020-11-24 12:37:57 2459178.0263542 - 2459178.0263542 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
176973 2020-11-24 12:37:57 2459178.0263542 20.2463 0.357508 19.8731 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
G-Gaia Gaia_Gaia-photometric 2020-07-30 05:24:00 - 2020-12-13 04:29:17 2459060.725 - 2459196.687 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
179026 2020-12-13 04:29:17 2459196.687 16.49 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
179025 2020-07-30 05:24:00 2459060.725 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2020-12-07 14:21:07 - 2020-12-07 14:21:07 2459191.098 - 2459191.098 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
177174 2020-12-07 14:21:07 2459191.098 16.012 0.017 18.96 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
cyan-ATLAS ATLAS-HKO_ATLAS-02 2020-11-17 15:46:05 - 2020-11-17 15:46:05 2459171.157 - 2459171.157 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
177173 2020-11-17 15:46:05 2459171.157 17.74 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
w-P1 PS1_GPC1 2021-04-07 09:51:50 - 2021-04-07 09:51:50 2459311.911 - 2459311.911 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
204906 2021-04-07 09:51:50 2459311.911 20.91 0.1 22 ABMag w-P1 PS1_GPC1 45 Robot
Clear- Other_Other 2020-11-30 20:29:11 - 2020-11-30 20:29:11 2459184.3535995 - 2459184.3535995 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
175646 2020-11-30 20:29:11 2459184.3535995 16.3 VegaMag Clear- Other_Other 0.5-m ,F6.9
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
105817 2021-04-09 00:44:25 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 12:28:50.258 -01:56:38.74 2021-04-07 09:51:50.400 20.91 w-P1 PSN PS21aeo Pan-STARRS N
99923 2021-02-19 12:53:57 PS2_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 12:28:50.255 -01:56:38.78 2021-01-16 14:42:43.200 18.47 w-P1 PSN PS21aeo Pan-STARRS N
92789 2020-12-15 08:25:02 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 12:28:50.250 -01:56:38.80 2020-12-13 04:29:16.800 16.49 G-Gaia PSN Gaia20fsh GaiaAlerts confirmed SN Ia N
91939 2020-12-07 21:39:52 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 12:28:50.257 -01:56:38.68 2020-12-07 14:21:07.200 16.012 orange-ATLAS PSN ATLAS20bgwv ATLAS N
91840 2020-12-06 19:50:11 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 12:28:50.266 -01:56:38.75 2020-11-24 12:37:57.003 20.2463 g-ZTF PSN ZTF20acuosvy ZTF Early SN candidate classified by Fink using the public ZTF stream. Object data at http://134.158.75.151:24000/ZTF20acuosvy N
91272 2020-12-01 12:26:44 ZTF_AMPEL_COMPLETE J. Nordin, V. Brinnel, M. Giomi et al. ZTF ZTF 12:28:50.263 -01:56:38.67 2020-11-27 13:29:01.248 17.7 r-ZTF PSN ZTF20acuosvy ZTF See arXiv:1904.05922 for selection criteria. N
91227 2020-11-30 22:16:13 Koichi Itagaki Koichi Itagaki 12:28:50.280 -01:56:38.60 2020-11-30 20:29:11.000 16.3 Clear- PSN NGC 4454 2020TNSTR3611....1I N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
8958 2021-02-18 00:34:02 ZTF_Bot1 A. Dahiwale, C. Fremling(Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.008076 1 ZTF 2021TNSCR.512....1D
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
8968 2020-12-02 12:13:50 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2020abgq_2020-12-02_12-13-50.159767_P60_SEDM_ZTF.ascii Object
8068 2020-12-01 21:14:05 Miho Kawabata Miho Kawabata None SN Ia 0.008029 1 2020TNSCR3628....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
8080 2020-12-01 19:12:00 Other / Other 3000 M. Kawabata None tns_2020abgq_2459185.3_Other_Other.dat Object Spectra obtained using KOOLS-IFU (Matsubayashi et al. 2019) on the 3.8m Seimei telescope of Kyoto University.

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 92789 of Group GaiaAlerts
Previous RA, DEC: 12:28:50.266, -01:56:38.75 (187.20944315556, -1.9440974666667)
Updated RA, DEC: 12:28:50.250, -01:56:38.80 (187.209375, -1.944111)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 91840 of Group ZTF
Previous RA, DEC: 12:28:50.263, -01:56:38.67 (187.20942815, -1.9440742)
Updated RA, DEC: 12:28:50.266, -01:56:38.75 (187.20944315556, -1.9440974666667)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 91272 of Group ZTF
Previous RA, DEC: 12:28:50.280, -01:56:38.60 (187.2095, -1.944056)
Updated RA, DEC: 12:28:50.263, -01:56:38.67 (187.20942815, -1.9440742)