RA/DEC (2000)
09:16:12.093 +49:03:53.34
139.050389166 +49.0648178413
Type
SLSN-I
Redshift
0.124
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-10-20 11:38:14.997
TNS AT
Y
Public
Y
Discovery Mag
20.7417
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025abmf - 2025-11-17 04:05:36 NOT / ALFOSC (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
 ▌LAST_LAST-Cam_Clear
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌PS1_GPC1_i
   
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
22422 2025-11-17 04:05:36 NOT / ALFOSC Steve Schulze, Jesper Sollerman Steve Schulze ZTF tns_2025abmf_2025-11-17_04-05-36.362_NOT_ALFOSC_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-10-25 04:17:53 - 2025-10-31 03:46:33 2460973.67909 - 2460979.65733 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528227 2025-10-31 03:46:33 2460979.65733 18.331 0.083 19.71 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
528226 2025-10-25 04:17:53 2460973.67909 19.59 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
Clear- LAST_LAST-Cam 2024-03-03 20:03:45 - 2025-10-28 00:37:46 2460373.33594 - 2460976.52623 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527372 2025-10-28 00:37:46 2460976.52623 19.53 ABMag Clear- LAST_LAST-Cam 400
527371 2024-03-03 20:03:45 2460373.33594 21.82 ABMag Clear- LAST_LAST-Cam 5600 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-20 11:38:15 - 2025-10-20 11:38:15 2460968.9848958 - 2460968.9848958 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526526 2025-10-20 11:38:15 2460968.9848958 20.7417 0.191564 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-10-20 09:40:36 - 2025-10-24 11:52:10 2460968.9031944 - 2460972.9945602 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526527 2025-10-24 11:52:10 2460972.9945602 19.4293 0.122643 ABMag g-ZTF P48_ZTF-Cam
526525 2025-10-20 09:40:36 2460968.9031944 20.0488 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
i-P1 PS1_GPC1 2025-11-08 14:06:09 - 2025-11-08 14:06:09 2460988.0876 - 2460988.0876 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546884 2025-11-08 14:06:09 2460988.0876 18.34 0.08 20.7 ABMag i-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
285559 2026-01-01 23:16:20 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 09:16:12.093 +49:03:53.34 2025-11-08 14:06:08.640 18.34 i-P1 PSN PS25mlx Pan-STARRS N
275400 2025-11-01 01:28:24 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 09:16:12.101 +49:03:53.59 2025-10-31 03:46:33.312 18.331 wide-ATLAS PSN ATLAS25nnk ATLAS N
275025 2025-10-28 05:15:25 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 09:16:12.070 +49:03:53.50 2025-10-28 00:37:46.272 19.53 Clear- PSN LAST N
274655 2025-10-24 12:18:49 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 09:16:12.097 +49:03:53.80 2025-10-20 11:38:14.997 20.7417 r-ZTF PSN ZTF25abyrwhz ZTF 2025TNSTR4277....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
22421 2025-11-17 14:37:02 Jacob Wise Jacob Wise (LJMU), Steve Schulze (CIERA), Jesper Sollerman (OKC) ZTF SLSN-I 0.124 1 1 ZTF Spectrum is well-fit by template spectra from the SLSN-I 2017egm shortly after peak at a redshift of z = 0.124 ± 0.002. Classification performed using Next Generation Superfit (NGSF, Goldwasser et al. 2022). 2025TNSCR4631....1W
Related files
File Comments Last Modified (UT) Modified By
tns_2025abmf_atrep_22421_ZTF.pdf NGSF fits 2025-11-17 14:37:02 Jacob Wise
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
22422 2025-11-17 04:05:36 NOT / ALFOSC Steve Schulze, Jesper Sollerman Steve Schulze ZTF tns_2025abmf_2025-11-17_04-05-36.362_NOT_ALFOSC_ZTF.ascii Object

Comments

TNS
System

Thu, 01/01/2026 - 23:16

Object coordinates updated

Object coordinates updated according to AT-report 285559 of Group Pan-STARRS
Previous RA, DEC: 09:16:12.097, +49:03:53.80 (139.0504057, +49.0649445)
Updated RA, DEC: 09:16:12.093, +49:03:53.34 (139.050389166, +49.0648178413)