RA/DEC (2000)
22:41:20.860 +27:01:25.54
340.336917 +27.023761
Type
SN Ia
Redshift
0.047
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2021-01-05 02:44:25.999
TNS AT
Y
Public
Y
Host Name
SDSS J224120.58+270123.1
Host Redshift
0.084
Discovery Mag
19.6578
Filter
g-ZTF
Reporter/s
A. Munoz-Arancibia, F. Forster, F.E. Bauer, L. Hernandez-Garcia, G. Pignata, 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_2021ik - 2021-01-09 02:17:23 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
 Gaia_Gaia-photometric_G
 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
9811 2021-01-09 02:17:23 P60 / SEDM 2700 SEDmRobot neill ZTF tns_2021ik_2021-01-09_02-17-22.754060_P60_SEDM_ZTF. Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2021-01-01 02:58:20 - 2021-01-05 03:15:57 2459215.6238426 - 2459219.6360764 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
184035 2021-01-05 03:15:57 2459219.6360764 19.7407 0.16417 20.2982 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
184033 2021-01-01 02:58:20 2459215.6238426 19.4787 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2021-01-01 02:18:29 - 2021-01-05 02:44:26 2459215.596169 - 2459219.6141898 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
184034 2021-01-05 02:44:26 2459219.6141898 19.6578 0.123122 20.578 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
187673 2021-01-05 02:44:26 2459219.6141898 19.6578 0.123122 20.578 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
187672 2021-01-01 02:18:29 2459215.596169 20.0608 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
G-Gaia Gaia_Gaia-photometric 2020-12-16 09:54:43 - 2021-01-20 13:36:29 2459199.913 - 2459235.067 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
188397 2021-01-20 13:36:29 2459235.067 17.93 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
188396 2020-12-16 09:54:43 2459199.913 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2021-01-05 06:24:29 - 2021-01-13 05:26:53 2459219.767 - 2459227.727 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
186370 2021-01-13 05:26:53 2459227.727 18.032 0.068 19.59 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
186369 2021-01-05 06:24:29 2459219.767 19.51 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
97547 2021-01-22 08:59:24 Gaia_Bot1 S.T. Hodgkin,E. Breedt,A. Delgado et al. GaiaAlerts GaiaAlerts 22:41:20.860 +27:01:25.54 2021-01-20 13:36:28.800 17.93 G-Gaia PSN Gaia21ajs GaiaAlerts candidate SN near galaxy SDSS J224120.58+270123.1 N
97163 2021-01-17 20:17:11 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 22:41:20.874 +27:01:25.52 2021-01-05 02:44:25.999 19.6578 g-ZTF PSN ZTF21aaazjia ZTF Early SN candidate classified by Fink using the public ZTF stream. Object data at http://134.158.75.151:24000/ZTF21aaazjia N
96633 2021-01-13 17:10:27 ATLAS_Bot1 J. Tonry,L. Denneau,A. Heinze et al. ATLAS ATLAS 22:41:20.853 +27:01:25.58 2021-01-13 05:26:52.800 18.032 cyan-ATLAS PSN ATLAS21bod ATLAS N
95614 2021-01-05 20:13:17 ALeRCE A. Munoz-Arancibia,F. Forster,F.E. Bauer et al. ALeRCE ZTF 22:41:20.874 +27:01:25.53 2021-01-05 02:44:25.999 19.6578 g-ZTF PSN SDSS J224120.58+270123.1 ZTF21aaazjia ZTF SN candidate 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/ZTF21aaazjia 2021TNSTR..39....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
9803 2021-06-04 21:34:01 ZTF_Bot1 A. Dahiwale, C. Fremling(Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.047 1 ZTF 2021TNSCR1918....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
9811 2021-01-09 02:17:23 P60 / SEDM 2700 SEDmRobot neill ZTF tns_2021ik_2021-01-09_02-17-22.754060_P60_SEDM_ZTF. Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 97547 of Group GaiaAlerts
Previous RA, DEC: 22:41:20.874, +27:01:25.52 (340.33697308889, +27.023755477778)
Updated RA, DEC: 22:41:20.860, +27:01:25.54 (340.336917, 27.023761)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 97163 of Group ZTF
Previous RA, DEC: 22:41:20.874, +27:01:25.53 (340.3369764, +27.0237584)
Updated RA, DEC: 22:41:20.874, +27:01:25.52 (340.33697308889, 27.023755477778)