RA/DEC (2000)
15:57:08.251 -00:17:27.93
239.284377718 -0.291092783412
Type
SN Ia
Redshift
0.08524
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2021-05-24 10:00:15.002
TNS AT
Y
Public
Y
Host Name
WISEA J155708.34-001725.1
Host Redshift
0.085244
Discovery Mag
19.2913
Filter
g-ZTF
Reporter/s
A. Munoz-Arancibia, F. Forster, F.E. Bauer, G. Pignata, 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_2021nnj - 2021-06-08 07:03:49 P60 / SEDM (ZTF)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
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_orange
 PS1_GPC1_w
   
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
9834 2021-06-08 07:03:49 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2021nnj_2021-06-08_07-03-48.969717_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2021-05-24 07:33:29 - 2021-05-27 09:08:00 2459358.814919 - 2459361.8805556 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
216050 2021-05-27 09:08:00 2459361.8805556 19.1477 0.210856 19.2992 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
216047 2021-05-24 07:33:29 2459358.814919 19.2138 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2021-05-24 10:00:15 - 2021-05-27 07:32:04 2459358.9168403 - 2459361.8139352 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
216049 2021-05-27 07:32:04 2459361.8139352 19.098 0.185392 19.2018 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
216048 2021-05-24 10:00:15 2459358.9168403 19.2913 0.295037 18.9299 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2021-05-30 09:25:55 - 2021-05-30 09:25:55 2459364.893 - 2459364.893 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
219837 2021-05-30 09:25:55 2459364.893 19.43 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2021-06-01 09:10:05 - 2021-06-01 09:10:05 2459366.882 - 2459366.882 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
219838 2021-06-01 09:10:05 2459366.882 18.911 0.144 19.66 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
w-P1 PS1_GPC1 2021-05-18 11:41:17 - 2021-05-18 11:41:17 2459352.987 - 2459352.987 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
218232 2021-05-18 11:41:17 2459352.987 21.55 0.29 22 ABMag w-P1 PS1_GPC1 45 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
112818 2021-06-09 21:59:13 ATLAS_Bot1 J. Tonry,L. Denneau,A. Heinze et al. ATLAS ATLAS 15:57:08.275 -00:17:27.15 2021-06-01 09:10:04.800 18.911 orange-ATLAS PSN ATLAS21pth ATLAS N
112052 2021-06-04 00:17:16 PS1_Bot1 K. C. Chambers,T. de Boer,J. Bulger et al. Pan-STARRS Pan-STARRS 15:57:08.251 -00:17:27.93 2021-05-18 11:41:16.800 21.55 w-P1 PSN PS21fat Pan-STARRS This transient was discovered with the help of citizen science project Supernova Hunters run by Zooniverse. The candidate was identified by volunteers including Henryk Krawczyk, Dennis Richards and Marvin W. Huddleston N
111019 2021-05-27 21:09:43 ALeRCE A. Munoz-Arancibia,F. Forster,F.E. Bauer et al. ALeRCE ZTF 15:57:08.238 -00:17:27.64 2021-05-24 10:00:15.002 19.2913 g-ZTF PSN WISEA J155708.34-001725.1 ZTF21abcmvci ZTF Early SN candidate (g-rise > 0.21+-0.05 mag/day, r-rise > 0.13+-0.02 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/ZTF21abcmvci 2021TNSTR1814....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
9826 2021-06-08 08:00:38 ZTF_Bot1 SNIascore on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.08524 1 ZTF 2021TNSCR1967....1S
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
9834 2021-06-08 07:03:49 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2021nnj_2021-06-08_07-03-48.969717_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 112052 of Group Pan-STARRS1
Previous RA, DEC: 15:57:08.238, -00:17:27.64 (239.28432653333334, -0.29101003333333336)
Updated RA, DEC: 15:57:08.251, -00:17:27.93 (239.284377718, -0.291092783412)