RA/DEC (2000)
01:41:40.896 +05:51:13.47
25.4203999863 +5.85374205696
Type
SN Ia
Redshift
0.028673
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-09-28 01:01:30.144
TNS AT
Y
Public
Y
Discovery Mag
19.63
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, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025yvg - 2025-10-04 11:18:34 P60 / SEDM (ZTF)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
 ▌WFST_WFST-WFC_g
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
22156 2025-10-04 11:18:34 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025yvg_2025-10-04_11-18-34.083624_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-29 04:15:12 - 2025-09-30 00:26:39 2460947.67722 - 2460948.51851 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520943 2025-09-30 00:26:39 2460948.51851 18.842 0.079 20.08 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
520942 2025-09-29 04:15:12 2460947.67722 19.96 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
g-WFST WFST_WFST-WFC 2025-09-23 17:09:36 - 2025-09-24 21:51:50 2460942.215 - 2460943.411 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520807 2025-09-24 21:51:50 2460943.411 21.44 0.09 ABMag g-WFST WFST_WFST-WFC 70
520806 2025-09-23 17:09:36 2460942.215 22.43 ABMag g-WFST WFST_WFST-WFC 60 [Last non detection]
Clear- LAST_LAST-Cam 2024-11-27 20:19:38 - 2025-10-13 21:08:48 2460642.34697 - 2460962.38111 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
523601 2025-10-13 21:08:48 2460962.38111 18.64 ABMag Clear- LAST_LAST-Cam 360
523600 2024-11-27 20:19:38 2460642.34697 20.33 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-09-24 03:30:18 - 2025-09-28 01:01:30 2460942.646043 - 2460946.542715 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520673 2025-09-28 01:01:30 2460946.542715 19.63 0.15 ABMag L-GOTO GOTO-N_GOTO-1 180
520672 2025-09-24 03:30:18 2460942.646043 19.9 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-26 08:27:26 - 2025-09-26 08:27:26 2460944.8523843 - 2460944.8523843 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521496 2025-09-26 08:27:26 2460944.8523843 19.7765 0.073475 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-09-24 08:55:08 - 2025-10-01 09:09:54 2460942.8716204 - 2460949.881875 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521497 2025-10-01 09:09:54 2460949.881875 19.0938 0.104181 ABMag g-ZTF P48_ZTF-Cam
521495 2025-09-24 08:55:08 2460942.8716204 20.9756 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
w-P1 PS1_GPC1 2025-09-29 10:16:05 - 2025-09-29 10:16:05 2460947.92784 - 2460947.92784 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
521766 2025-09-29 10:16:05 2460947.92784 18.95 0.02 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
273204 2025-10-13 22:06:52 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 01:41:40.915 +05:51:13.00 2025-10-13 21:08:47.904 18.64 Clear- PSN LAST N
272270 2025-10-01 21:48:40 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 01:41:40.896 +05:51:13.47 2025-09-29 10:16:05.376 18.95 w-P1 PSN PS25hrx Pan-STARRS N
272157 2025-10-01 09:59:49 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 01:41:40.896 +05:51:13.58 2025-09-26 08:27:26.003 19.7765 r-ZTF PSN ZTF25abusgsz ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
271794 2025-09-30 09:23:50 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 01:41:40.894 +05:51:13.54 2025-09-30 00:26:39.264 18.842 wide-ATLAS PSN ATLAS25mex ATLAS N
271734 2025-09-30 01:24:23 WFST_SN Zelin Xu,Dezheng Meng,Ji-an Jiang et al. WFST WFST 01:41:40.900 +05:51:13.50 2025-09-24 21:51:50.400 21.44 g-WFST PSN WFST250924ceso WFST N
271656 2025-09-29 09:11:49 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 01:41:40.878 +05:51:13.68 2025-09-28 01:01:30.144 19.63 L-GOTO Other GOTO25iac GOTO 2025TNSTR3905....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
22156 2025-10-05 06:15:08 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.028673 1 ZTF 2025TNSCR4017....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
22156 2025-10-04 11:18:34 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025yvg_2025-10-04_11-18-34.083624_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 10/01/2025 - 21:48

Object coordinates updated

Object coordinates updated according to AT-report 272270 of Group Pan-STARRS
Previous RA, DEC: 01:41:40.896, +05:51:13.58 (25.4204007, +5.8537732)
Updated RA, DEC: 01:41:40.896, +05:51:13.47 (25.4203999863, +5.85374205696)

TNS
System

Wed, 10/01/2025 - 09:59

Object coordinates updated

Object coordinates updated according to AT-report 272157 of Group ZTF
Previous RA, DEC: 01:41:40.894, +05:51:13.54 (25.4203922222, +5.85376)
Updated RA, DEC: 01:41:40.896, +05:51:13.58 (25.4204007, +5.8537732)

TNS
System

Tue, 09/30/2025 - 09:23

Object coordinates updated

Object coordinates updated according to AT-report 271794 of Group ATLAS
Previous RA, DEC: 01:41:40.878, +05:51:13.68 (25.420323, +5.853801)
Updated RA, DEC: 01:41:40.894, +05:51:13.54 (25.4203922222, +5.85376)