RA/DEC (2000)
23:02:43.210 +20:04:52.97
345.680041453 +20.0813815893
Type
SN Ia-91T-like
Redshift
0.0336
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-12-29 20:13:52.608
TNS AT
Y
Public
Y
Discovery Mag
18.21
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ajvh - 2026-01-04 18:00:00 Galileo / BC-Asi (Padova-Asiago)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_z
 ▌PS2_GPC2_r
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
22730 2026-01-04 18:00:00 Galileo / BC-Asi 5400 D. Carli, R. Ottaviani, P. Ochner P. Ochner Padova-Asiago tns_2025ajvh_2026-01-04_18-00-00_Galileo_BC-Asi_Padova-Asiago.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-12-30 19:49:59 - 2025-12-30 19:49:59 2461040.32638 - 2461040.32638 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545613 2025-12-30 19:49:59 2461040.32638 17.646 0.047 19.4 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-N_GOTO-2 2025-12-09 20:21:57 - 2025-12-09 20:21:57 2461019.348581 - 2461019.348581 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
544977 2025-12-09 20:21:57 2461019.348581 20.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
z-P1 PS2_GPC2 2026-01-26 05:07:59 - 2026-01-26 05:07:59 2461066.71388 - 2461066.71388 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554931 2026-01-26 05:07:59 2461066.71388 17.57 0.04 20.4 ABMag z-P1 PS2_GPC2 120 Robot
r-P1 PS2_GPC2 2026-01-01 05:24:14 - 2026-01-01 05:24:14 2461041.72516 - 2461041.72516 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546982 2026-01-01 05:24:14 2461041.72516 17.46 0.04 20.6 ABMag r-P1 PS2_GPC2 27 Robot
L-GOTO GOTO-N_GOTO-1 2025-12-29 20:13:53 - 2025-12-29 20:13:53 2461039.342968 - 2461039.342968 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
544978 2025-12-29 20:13:53 2461039.342968 18.21 0.05 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-12-23 03:16:10 - 2026-01-09 02:05:32 2461032.6362269 - 2461049.5871759 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
547590 2026-01-09 02:05:32 2461049.5871759 16.5638 0.0314801 ABMag r-ZTF P48_ZTF-Cam
547589 2025-12-29 02:56:17 2461038.622419 18.688 0.101117 ABMag r-ZTF P48_ZTF-Cam
550538 2025-12-29 02:56:17 2461038.622419 18.6276 0.169451 19.1306 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
547588 2025-12-23 03:16:10 2461032.6362269 17.2452 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
550537 2025-12-23 03:16:10 2461032.6362269 17.2452 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-28 06:42:48 - 2025-12-28 06:42:48 2461037.77972 - 2461037.77972 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545612 2025-12-28 06:42:48 2461037.77972 18.68 ABMag orange-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
289509 2026-01-31 01:57:04 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 23:02:43.210 +20:04:52.97 2026-01-26 05:07:59.232 17.57 z-P1 PSN PS26k Pan-STARRS N
287421 2026-01-15 19:52:27 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 23:02:43.220 +20:04:53.00 2025-12-29 02:56:17.002 18.6276 r-ZTF PSN ZTF26aaaadal ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aaaadal N
286040 2026-01-09 02:56:19 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 23:02:43.212 +20:04:52.90 2025-12-29 02:56:17.001 18.688 r-ZTF PSN ZTF26aaaadal ZTF N
285656 2026-01-02 17:48:28 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 23:02:43.214 +20:04:53.00 2026-01-01 05:24:13.824 17.46 r-P1 PSN PS26k Pan-STARRS N
284367 2025-12-30 22:47:37 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland (IfA et al. ATLAS ATLAS 23:02:43.210 +20:04:52.95 2025-12-30 19:49:59.232 17.646 wide-ATLAS PSN ATLAS25qlt ATLAS N
283846 2025-12-29 22:00:47 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 23:02:43.204 +20:04:52.96 2025-12-29 20:13:52.608 18.21 L-GOTO Other GOTO25mvx GOTO 2025TNSTR5206....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22729 2026-01-04 20:18:24 Andrea Reguitti Deborah Carli (UniPd), Rachele Ottaviani (UniPd), Paolo Ochner (UniPd; INAF-OAPd), Claudio Balcon (ISSP), Andrea Reguitti (INAF-OAPd) Padova-Asiago SN Ia-91T-like 0.0336 1 Padova-Asiago GELATO provides a match with the 91T-like Type Ia SN 1998es around one week before maximum light. 2026TNSCR..30....1C
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
22730 2026-01-04 18:00:00 Galileo / BC-Asi 5400 D. Carli, R. Ottaviani, P. Ochner P. Ochner Padova-Asiago tns_2025ajvh_2026-01-04_18-00-00_Galileo_BC-Asi_Padova-Asiago.dat Object

Comments

TNS
System

Sat, 01/31/2026 - 01:57

Object coordinates updated

Object coordinates updated according to AT-report 289509 of Group Pan-STARRS
Previous RA, DEC: 23:02:43.214, +20:04:53.00 (345.680056285, +20.0813885855)
Updated RA, DEC: 23:02:43.210, +20:04:52.97 (345.680041453, +20.0813815893)

TNS
System

Fri, 01/02/2026 - 17:48

Object coordinates updated

Object coordinates updated according to AT-report 285656 of Group Pan-STARRS
Previous RA, DEC: 23:02:43.210, +20:04:52.95 (345.68004, +20.0813745455)
Updated RA, DEC: 23:02:43.214, +20:04:53.00 (345.680056285, +20.0813885855)

TNS
System

Tue, 12/30/2025 - 22:47

Object coordinates updated

Object coordinates updated according to AT-report 284367 of Group ATLAS
Previous RA, DEC: 23:02:43.204, +20:04:52.96 (345.680016, +20.081379)
Updated RA, DEC: 23:02:43.210, +20:04:52.95 (345.68004, +20.0813745455)