RA/DEC (2000)
02:57:44.600 +45:19:04.91
44.435835392308 +45.318031592308
Type
SN Ia
Redshift
0.02
Related AstroNotes: 2023-349
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2023-12-12 04:36:58.997
TNS AT
Y
Public
Y
Host Name
SDSS J025744.09+451856.0
Discovery Mag
20.4903
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, F. Forster, F.E. Bauer, G. Pignata, A. Mourao, L. Hernandez-Garcia, J.P. Brandt, L. Galbany, J. Silva-Farfan, R. Dastidar, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Gallardo, P. Huijse, H. Larranaga, E. Pizarro, I. Reyes, P. Sanchez-Saez, A. Sepulveda, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

Spectra

 SN_2023zzb - 2023-12-19 08:45:40 UH88 / SNIFS (SCAT)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_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
16339 2023-12-19 08:45:40 UH88 / SNIFS 2100 Hinkle SCAT tns_2023zzb_2023-12-19_08-45-40_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2023-12-10 04:42:31 - 2023-12-12 04:36:59 2460288.6961921 - 2460290.6923495 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
379691 2023-12-12 04:36:59 2460290.6923495 20.4903 0.207024 20.6384 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
380971 2023-12-12 04:36:59 2460290.6923495 20.4903 0.207024 20.6384 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
380970 2023-12-10 04:42:31 2460288.6961921 20.0561 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2023-12-10 07:20:16 - 2023-12-10 07:20:16 2460288.8057407 - 2460288.8057407 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
379690 2023-12-10 07:20:16 2460288.8057407 20.3407 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2023-12-15 09:17:11 - 2023-12-15 09:17:11 2460293.88693 - 2460293.88693 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
381055 2023-12-15 09:17:11 2460293.88693 19.32 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2023-12-17 08:26:21 - 2023-12-17 08:26:21 2460295.85163 - 2460295.85163 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
381056 2023-12-17 08:26:21 2460295.85163 18.702 0.107 19.42 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 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
196819 2023-12-18 06:51:24 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 02:57:44.636 +45:19:05.14 2023-12-17 08:26:20.832 18.702 cyan-ATLAS PSN ATLAS23xqb ATLAS N
196776 2023-12-17 19:59:50 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 02:57:44.600 +45:19:04.91 2023-12-12 04:36:58.997 20.4903 r-ZTF PSN ZTF23abtcveg Fink Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF23abtcveg N
196338 2023-12-14 02:54:44 ALeRCE A. Munoz-Arancibia, F. Forster, F.E. Bauer et al. ALeRCE ZTF 02:57:44.619 +45:19:04.98 2023-12-12 04:36:58.997 20.4903 r-ZTF PSN SDSS J025744.09+451856.0 ZTF23abtcveg ALeRCE SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF23abtcveg 2023TNSTR3237....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
16253 2023-12-19 09:52:21 Jason Hinkle Jason Hinkle (UH/IfA) on behalf of SCAT SCAT SN Ia 0.02 1 SCAT SN Ia prior to maximum light. Type, phase, and redshift estimate from template cross-correlation with SNID (Blondin & Tonry 2007). 2023TNSCR3325....1H
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
16339 2023-12-19 08:45:40 UH88 / SNIFS 2100 Hinkle SCAT tns_2023zzb_2023-12-19_08-45-40_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 196776 of Group ZTF
Previous RA, DEC: 02:57:44.619, +45:19:04.98 (44.43591450000001, +45.3180487)
Updated RA, DEC: 02:57:44.600, +45:19:04.91 (44.435835392308, 45.318031592308)