RA/DEC (2000)
01:25:13.063 +01:59:04.44
21.3044287598 +1.98456566926
Type
SN Ic-BL
Redshift
0.03
Discovery ReportClassification Report
Related AstroNotes: 2025-273
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-08-23 10:06:34.997
TNS AT
Y
Public
Y
Discovery Mag
19.3364
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025vef - 2025-08-29 04:16:27 NOT / ALFOSC (GOTO)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
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌ATLAS-STH_ATLAS-03_cyan
 ▌GOTO-N_GOTO-1_L
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌PS1_GPC1_r
   
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
21903 2025-08-29 04:16:27 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025vef_2025-08-29_04-16-26.911_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-22 02:21:43 - 2025-08-22 02:21:43 2460909.59841 - 2460909.59841 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514791 2025-08-22 02:21:43 2460909.59841 19.52 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
Clear- LAST_LAST-Cam 2025-08-31 22:41:28 - 2025-09-26 01:14:40 2460919.44546 - 2460944.55185 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520383 2025-09-26 01:14:40 2460944.55185 18.69 ABMag Clear- LAST_LAST-Cam 400
520382 2025-08-31 22:41:28 2460919.44546 20.71 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-08-18 01:17:02 - 2025-08-18 01:17:02 2460905.553503 - 2460905.553503 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513514 2025-08-18 01:17:02 2460905.553503 19.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-08-29 13:21:06 - 2025-08-29 13:21:06 2460917.05632 - 2460917.05632 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
544317 2025-08-29 13:21:06 2460917.05632 18.19 0.03 22 ABMag w-P1 PS2_GPC2 45 Robot
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-08-30 00:11:04 - 2025-08-30 00:11:04 2460917.50769 - 2460917.50769 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514792 2025-08-30 00:11:04 2460917.50769 18.18 0.07 19.66 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-08-23 03:07:45 - 2025-08-23 03:07:45 2460910.630385 - 2460910.630385 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513515 2025-08-23 03:07:45 2460910.630385 19.58 0.16 ABMag L-GOTO GOTO-N_GOTO-1 180
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-08-11 09:10:50 - 2025-08-11 09:10:50 2460898.8825231 - 2460898.8825231 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512983 2025-08-11 09:10:50 2460898.8825231 19.05 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-08-26 08:02:59 - 2025-08-26 08:02:59 2460913.8354051 - 2460913.8354051 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512984 2025-08-26 08:02:59 2460913.8354051 18.39 0.05 20.69 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
r-ZTF P48_ZTF-Cam 2025-08-23 10:41:49 - 2025-08-23 10:41:49 2460910.945706 - 2460910.945706 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511754 2025-08-23 10:41:49 2460910.945706 19.4942 0.0987386 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-08-21 10:36:09 - 2025-08-23 10:06:35 2460908.9417708 - 2460910.9212384 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511753 2025-08-23 10:06:35 2460910.9212384 19.3364 0.134515 ABMag g-ZTF P48_ZTF-Cam
514591 2025-08-23 10:06:35 2460910.9212384 19.3364 0.134515 20.4085 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
511752 2025-08-21 10:36:09 2460908.9417708 20.4298 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
514590 2025-08-21 10:36:09 2460908.9417708 20.4298 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
r-P1 PS1_GPC1 2025-08-29 13:31:04 - 2025-08-29 13:31:04 2460917.06324 - 2460917.06324 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
513915 2025-08-29 13:31:04 2460917.06324 18.13 0.07 20.6 ABMag r-P1 PS1_GPC1 27 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
283302 2025-12-28 20:57:36 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 01:25:13.063 +01:59:04.44 2025-08-29 13:21:06.048 18.19 w-P1 PSN PS25heb Pan-STARRS N
271501 2025-09-27 09:39:56 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 01:25:13.105 +01:59:04.92 2025-09-26 01:14:39.840 18.69 Clear- PSN LAST N
268881 2025-09-01 09:18:51 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 01:25:13.044 +01:59:04.43 2025-08-30 00:11:04.416 18.18 cyan-ATLAS PSN ATLAS25kvk ATLAS N
268793 2025-08-31 18:18:46 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 01:25:13.054 +01:59:04.49 2025-08-23 10:06:34.998 19.3364 g-ZTF PSN ZTF25ablgkgi ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25ablgkgi N
268466 2025-08-29 18:31:44 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 01:25:13.054 +01:59:04.44 2025-08-29 13:31:03.936 18.13 r-P1 PSN PS25heb Pan-STARRS N
268260 2025-08-28 22:16:13 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 01:25:13.063 +01:59:04.20 2025-08-23 03:07:44.832 19.58 L-GOTO Other GOTO25gmq GOTO N
267963 2025-08-28 07:34:03 BlackGEM_Bot1 G. Ramsay, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 01:25:13.080 +01:59:04.52 2025-08-26 08:02:59.000 18.39 BG-q-BlackGem PSN BGEM J012513.08+015904.5 BlackGEM N
267355 2025-08-23 17:08:28 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 01:25:13.058 +01:59:04.59 2025-08-23 10:06:34.997 19.3364 g-ZTF PSN ZTF25ablgkgi ZTF 2025TNSTR3342....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21903 2025-08-29 10:24:17 David O'Neill I. Worssam, M. Pursiainen, J. Lyman, D. O'Neill, T. Killestein, K. Ackley, M. Dyer, 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, A. Kumar on behalf of GOTO collaboration GOTO SN Ic-BL 0.03 1 GOTO Classified using template matching with SNID-SAGE 2025TNSCR3449....1W
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
21903 2025-08-29 04:16:27 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025vef_2025-08-29_04-16-26.911_NOT_ALFOSC_GOTO.dat Object

Comments

TNS
System

Sun, 12/28/2025 - 20:57

Object coordinates updated

Object coordinates updated according to AT-report 283302 of Group Pan-STARRS
Previous RA, DEC: 01:25:13.054, +01:59:04.44 (21.3043910146, +1.98456635986)
Updated RA, DEC: 01:25:13.063, +01:59:04.44 (21.3044287598, +1.98456566926)

TNS
System

Fri, 08/29/2025 - 18:31

Object coordinates updated

Object coordinates updated according to AT-report 268466 of Group Pan-STARRS
Previous RA, DEC: 01:25:13.058, +01:59:04.59 (21.3044067, +1.9846092)
Updated RA, DEC: 01:25:13.054, +01:59:04.44 (21.3043910146, +1.98456635986)