RA/DEC (2000)
08:41:26.880 +44:08:46.25
130.362 +44.146181
Type
SN Ia
Redshift
0.081
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2021-02-12 05:15:04.000
TNS AT
Y
Public
Y
Host Name
WISEA J084126.86+440851.1
Host Redshift
0.081092
Discovery Mag
20.4005
Filter
r-ZTF
Reporter/s
F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, L. Hernandez-Garcia, L. Galbany, E. Camacho, J. Silva-Farfan, A. Mourao, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

Spectra

 SN_2021cta - 2021-02-19 05:50:27 Lick-3m / KAST (UCSC)z=
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Show Tellurics 
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 P48_ZTF-Cam_r
 Gaia_Gaia-photometric_G
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_orange
 PS1_GPC1_i
 PS1_GPC1_r
   
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
9003 2021-02-19 05:50:27 Lick-3m / KAST 3000 K. Taggart K. Taggart UCSC tns_2021cta_2021-02-19_05-50-26.69_Lick-3m_KAST_UCSC.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2021-02-10 06:53:09 - 2021-02-12 06:23:50 2459255.7869097 - 2459257.7665509 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
192355 2021-02-12 06:23:50 2459257.7665509 20.406 0.193093 20.6399 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
192354 2021-02-12 05:15:04 2459257.7187963 20.4005 0.175624 20.7636 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
192353 2021-02-10 06:53:09 2459255.7869097 20.5714 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
G-Gaia Gaia_Gaia-photometric 2020-11-27 10:42:14 - 2021-03-01 13:09:07 2459180.946 - 2459275.048 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
195738 2021-03-01 13:09:07 2459275.048 18.78 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
195737 2020-11-27 10:42:14 2459180.946 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2021-02-21 10:58:05 - 2021-02-21 10:58:05 2459266.957 - 2459266.957 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
194302 2021-02-21 10:58:05 2459266.957 19.47 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2021-02-22 09:56:10 - 2021-02-22 09:56:10 2459267.914 - 2459267.914 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
194303 2021-02-22 09:56:10 2459267.914 18.874 0.151 19.23 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
i-P1 PS1_GPC1 2021-03-20 05:51:22 - 2021-03-20 05:51:22 2459293.744 - 2459293.744 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
199982 2021-03-20 05:51:22 2459293.744 19.6 0.1 20.7 ABMag i-P1 PS1_GPC1 45 Robot
r-P1 PS1_GPC1 2021-02-16 09:04:19 - 2021-02-16 09:04:19 2459261.878 - 2459261.878 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
194218 2021-02-16 09:04:19 2459261.878 19.27 0.06 20.6 ABMag r-P1 PS1_GPC1 27 Robot
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
103514 2021-03-21 17:48:08 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 08:41:26.872 +44:08:46.27 2021-03-20 05:51:21.600 19.6 i-P1 PSN PS21aib Pan-STARRS N
101065 2021-03-03 22:59:20 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 08:41:26.880 +44:08:46.25 2021-03-01 13:09:07.200 18.78 G-Gaia PSN Gaia21bef GaiaAlerts confirmed SN Ia N
100273 2021-02-23 00:15:34 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 08:41:26.880 +44:08:46.26 2021-02-22 09:56:09.600 18.874 orange-ATLAS PSN ATLAS21gta ATLAS N
100238 2021-02-22 18:22:08 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 08:41:26.868 +44:08:46.27 2021-02-16 09:04:19.200 19.27 r-P1 PSN PS21aib Pan-STARRS N
99329 2021-02-12 19:30:48 ALeRCE F. Forster, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 08:41:26.877 +44:08:46.42 2021-02-12 05:15:04.000 20.4005 r-ZTF PSN WISEA J084126.86+440851.1 ZTF21aakildf ZTF Early SN candidate (r-rise > 0.15+-0.09 mag/day) classified using ALeRCE's stamp classifier - see http://arxiv.org/abs/2008.03309 - and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF21aakildf 2021TNSTR.436....1F N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
8993 2021-02-19 16:02:18 Kirsty Taggart K. Taggart, C. Rojas-Bravo, G. Dimitriadis, R. J. Foley (UCSC) UCSC SN Ia 0.081 1 UCSC We measure an Si II 6355 velocity of -12,500 km/s. ATel #14409 2021TNSCR.531....1T
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
9003 2021-02-19 05:50:27 Lick-3m / KAST 3000 K. Taggart K. Taggart UCSC tns_2021cta_2021-02-19_05-50-26.69_Lick-3m_KAST_UCSC.flm Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 101065 of Group GaiaAlerts
Previous RA, DEC: 08:41:26.868, +44:08:46.27 (130.36195043, +44.1461868249)
Updated RA, DEC: 08:41:26.880, +44:08:46.25 (130.362, 44.146181)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 100238 of Group Pan-STARRS1
Previous RA, DEC: 08:41:26.877, +44:08:46.42 (130.3619889, +44.14622875)
Updated RA, DEC: 08:41:26.868, +44:08:46.27 (130.36195043, 44.1461868249)