RA/DEC (2000)
09:54:42.177 +46:22:21.31
148.675739088 +46.3725851855
Type
SN II
Redshift
0.02544
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-12-02 09:40:11.000
TNS AT
Y
Public
Y
Discovery Mag
19.1439
Filter
r-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025afst - 2025-12-15 00:00:00 NOT / ALFOSC (PRESTO)z=
 ▌SN_2025afst - 2025-12-15 00:00:00 NOT / ALFOSC (PRESTO)z=
 ▌SN_2025afst - 2025-12-06 11:14:24 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
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌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
23388 2025-12-15 00:00:00 NOT / ALFOSC 900 PRESTO S. J. Brennan on behalf of the RPESOT group PRESTO tns_2025afst_2025-12-15_00-00-00.000_NOT_ALFOSC_PRESTO_0.txt Object PRESTO automated upload on behalf of NOIRLAB Rubin in-kind program ( 2025B-796701)
23380 2025-12-15 00:00:00 NOT / ALFOSC 900 PRESTO S. J. Brennan on behalf of the RPESOT group PRESTO tns_2025afst_2025-12-15_00-00-00.000_NOT_ALFOSC_PRESTO.txt Object PRESTO automated upload on behalf of NOIRLAB Rubin in-kind program ( 2025B-796701)
22537 2025-12-06 11:14:24 P60 / SEDM 2700 SEDmRobot ZTF tns_2025afst_2025-12-06_11-14-23.570340_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-12-03 03:32:17 - 2025-12-09 02:14:00 2461012.64742 - 2461018.59306 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537066 2025-12-09 02:14:00 2461018.59306 17.765 0.111 19.07 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
537065 2025-12-03 03:32:17 2461012.64742 18.89 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
Clear- LAST_LAST-Cam 2024-03-03 20:57:28 - 2025-12-03 00:12:44 2460373.37324 - 2461012.50884 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539977 2025-12-03 00:12:44 2461012.50884 19.07 ABMag Clear- LAST_LAST-Cam 400
539976 2024-03-03 20:57:28 2460373.37324 21.73 ABMag Clear- LAST_LAST-Cam 4240 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-11-30 01:53:33 - 2025-12-07 02:27:24 2461009.578854 - 2461016.602361 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536473 2025-12-07 02:27:24 2461016.602361 18.27 0.17 ABMag L-GOTO GOTO-N_GOTO-2 180
536472 2025-11-30 01:53:33 2461009.578854 19.7 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-01 12:16:29 - 2025-12-02 09:40:11 2461011.0114468 - 2461011.9029051 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535804 2025-12-02 09:40:11 2461011.9029051 19.1439 0.122257 ABMag r-ZTF P48_ZTF-Cam
535803 2025-12-01 12:16:29 2461011.0114468 20.6998 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
i-P1 PS1_GPC1 2025-12-07 13:40:03 - 2025-12-07 13:40:03 2461017.06948 - 2461017.06948 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539251 2025-12-07 13:40:03 2461017.06948 18.67 0.17 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
281097 2025-12-18 08:18:01 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 09:54:42.147 +46:22:20.94 2025-12-03 00:12:43.776 19.07 Clear- PSN LAST N
280781 2025-12-15 18:16:41 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 09:54:42.177 +46:22:21.31 2025-12-07 13:40:03.072 18.67 i-P1 PSN PS25iqc Pan-STARRS N
279807 2025-12-09 11:56:57 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 09:54:42.148 +46:22:21.25 2025-12-09 02:14:00.384 17.765 wide-ATLAS PSN ATLAS25pjx ATLAS N
279532 2025-12-07 11:01:18 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 09:54:42.296 +46:22:21.53 2025-12-07 02:27:23.904 18.27 L-GOTO Other GOTO25lcv GOTO N
279248 2025-12-02 16:18:22 Fritz Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 09:54:42.175 +46:22:21.28 2025-12-02 09:40:11.000 19.1439 r-ZTF PSN ZTF25acfswkq ZTF 2025TNSTR4806....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23386 2026-03-30 08:08:35 PRESTO PRESTO automated upload on behalf of NOIRLAB Rublin in-kind program PRESTO Other 1 PRESTO PRESTO automated upload on behalf of NOIRLAB Rubin in-kind program ( 2025B-796701) 2026TNSCR1362....1U
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
23388 2025-12-15 00:00:00 NOT / ALFOSC 900 PRESTO S. J. Brennan on behalf of the RPESOT group PRESTO tns_2025afst_2025-12-15_00-00-00.000_NOT_ALFOSC_PRESTO_0.txt Object PRESTO automated upload on behalf of NOIRLAB Rubin in-kind program ( 2025B-796701)
23378 2026-03-30 08:06:57 PRESTO PRESTO automated upload on behalf of NOIRLAB Rublin in-kind program PRESTO Other 1 PRESTO PRESTO automated upload on behalf of NOIRLAB Rubin in-kind program ( 2025B-796701) 2026TNSCR1362....1U
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
23380 2025-12-15 00:00:00 NOT / ALFOSC 900 PRESTO S. J. Brennan on behalf of the RPESOT group PRESTO tns_2025afst_2025-12-15_00-00-00.000_NOT_ALFOSC_PRESTO.txt Object PRESTO automated upload on behalf of NOIRLAB Rubin in-kind program ( 2025B-796701)
22536 2025-12-08 20:53:14 ZTF_Bot1 J. Johansson, K. Das, J. Castaneda Jaimes, M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN II 0.02544 1 ZTF 2025TNSCR4886....1J
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
22537 2025-12-06 11:14:24 P60 / SEDM 2700 SEDmRobot ZTF tns_2025afst_2025-12-06_11-14-23.570340_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Mon, 12/15/2025 - 18:16

Object coordinates updated

Object coordinates updated according to AT-report 280781 of Group Pan-STARRS
Previous RA, DEC: 09:54:42.175, +46:22:21.28 (148.6757278, +46.3725777)
Updated RA, DEC: 09:54:42.177, +46:22:21.31 (148.675739088, +46.3725851855)