RA/DEC (2000)
00:02:52.129 +13:05:41.89
0.7172044 +13.0949689
Type
SN Ia
Redshift
0.017349
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-12-29 20:18:38.592
TNS AT
Y
Public
Y
Discovery Mag
19.17
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_2025ajvg - 2026-01-04 17:32:00 BL41 / FOSC-E5535 (None)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-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_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
22731 2026-01-04 17:32:00 BL41 / FOSC-E5535 3600 Claudio Balcon Claudio Balcon None tns_2025ajvg_2026-01-04_17-32-00_BL41_FOSC-E5535_None.dat tns_2025ajvg_2026-01-04_17-32-00_BL41_FOSC-E5535_None.fit Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-12-30 20:19:57 - 2025-12-30 20:19:57 2461040.34719 - 2461040.34719 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545615 2025-12-30 20:19:57 2461040.34719 18.378 0.134 19.25 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-12-23 19:48:15 - 2025-12-29 20:18:39 2461033.32517 - 2461039.346279 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
544976 2025-12-29 20:18:39 2461039.346279 19.17 0.13 ABMag L-GOTO GOTO-N_GOTO-1 180
544975 2025-12-23 19:48:15 2461033.32517 20.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-23 03:32:59 - 2026-01-09 02:33:36 2461032.6479051 - 2461049.6066667 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
547609 2026-01-09 02:33:36 2461049.6066667 16.0999 0.0285866 ABMag r-ZTF P48_ZTF-Cam
547608 2026-01-09 01:55:09 2461049.5799653 16.1317 0.023055 ABMag r-ZTF P48_ZTF-Cam
547607 2025-12-23 03:32:59 2461032.6479051 18.4696 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-12-27 07:09:41 - 2025-12-27 07:09:41 2461036.79839 - 2461036.79839 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545614 2025-12-27 07:09:41 2461036.79839 18.88 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
286047 2026-01-09 03:35:12 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 00:02:52.129 +13:05:41.89 2026-01-09 01:55:09.001 16.1317 r-ZTF PSN ZTF26aaaaary ZTF N
284368 2025-12-30 22:48:15 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland (IfA et al. ATLAS ATLAS 00:02:52.144 +13:05:41.93 2025-12-30 20:19:57.216 18.378 wide-ATLAS PSN ATLAS25qlu ATLAS N
283845 2025-12-29 22:00:26 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 00:02:52.129 +13:05:41.65 2025-12-29 20:18:38.592 19.17 L-GOTO Other GOTO25mvw 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
22730 2026-01-04 20:24:57 Claudio Balcon Claudio Balcon (Belluno A.O. ISSP) None SN Ia 0.017349 1 GELATO Harutyunyan et al., 2008, A&A, 488, 383 (gelato@tng.iac.es) suggests that this spectrum resembles that of a type Ia supernova several days before maximum light at the redshift of the host galaxy, value from NED. 2026TNSCR..29....1B
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
22731 2026-01-04 17:32:00 BL41 / FOSC-E5535 3600 Claudio Balcon Claudio Balcon None tns_2025ajvg_2026-01-04_17-32-00_BL41_FOSC-E5535_None.dat tns_2025ajvg_2026-01-04_17-32-00_BL41_FOSC-E5535_None.fit Object

Comments

TNS
System

Fri, 01/09/2026 - 03:35

Object coordinates updated

Object coordinates updated according to AT-report 286047 of Group ZTF
Previous RA, DEC: 00:02:52.144, +13:05:41.93 (0.7172675, +13.09498)
Updated RA, DEC: 00:02:52.129, +13:05:41.89 (0.7172044, +13.0949689)

TNS
System

Tue, 12/30/2025 - 22:48

Object coordinates updated

Object coordinates updated according to AT-report 284368 of Group ATLAS
Previous RA, DEC: 00:02:52.129, +13:05:41.65 (0.717206, +13.094902)
Updated RA, DEC: 00:02:52.144, +13:05:41.93 (0.7172675, +13.09498)