RA/DEC (2000)
21:52:04.295 +33:34:20.79
328.01789694444 +33.572441822222
Type
SN Ic
Redshift
0.03
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-12-14 02:16:02.000
TNS AT
Y
Public
Y
Discovery Mag
19.8465
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_2025ahds - 2026-01-14 03:19:32 P200 / NGPS (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

 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_cyan
 ▌ATLAS-HKO_ATLAS-02_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
22828 2026-01-14 03:19:32 P200 / NGPS K-Ryan Hinds K-Ryan Hinds ZTF tns_2025ahds_2026-01-14_03-19-32_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-12-03 19:48:29 - 2025-12-18 19:16:27 2461013.325328 - 2461028.303088 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540535 2025-12-18 19:16:27 2461028.303088 18.36 0.06 ABMag L-GOTO GOTO-N_GOTO-2 180
540534 2025-12-03 19:48:29 2461013.325328 19.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
g-ZTF P48_ZTF-Cam 2025-12-12 03:11:29 - 2025-12-17 03:53:55 2461021.6329745 - 2461026.6624421 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539504 2025-12-17 03:53:55 2461026.6624421 18.9807 0.0916438 ABMag g-ZTF P48_ZTF-Cam
539503 2025-12-14 02:16:02 2461023.5944676 19.8465 0.190122 ABMag g-ZTF P48_ZTF-Cam
547991 2025-12-14 02:16:02 2461023.5944676 19.8465 0.190122 20.2707 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
539502 2025-12-12 03:11:29 2461021.6329745 20.7939 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
547990 2025-12-12 03:11:29 2461021.6329745 20.4078 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-12-15 07:22:07 - 2025-12-15 07:22:07 2461024.80703 - 2461024.80703 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540148 2025-12-15 07:22:07 2461024.80703 19.12 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-18 05:35:41 - 2025-12-18 05:35:41 2461027.73311 - 2461027.73311 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540149 2025-12-18 05:35:41 2461027.73311 18.354 0.088 19.27 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 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
286211 2026-01-09 19:16:07 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 21:52:04.295 +33:34:20.79 2025-12-14 02:16:02.001 19.8465 g-ZTF PSN ZTF25achlrsy ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25achlrsy N
281363 2025-12-19 08:55:04 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 21:52:04.303 +33:34:20.78 2025-12-18 19:16:26.976 18.36 L-GOTO Other GOTO25lyf GOTO N
281180 2025-12-18 09:55:53 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 21:52:04.261 +33:34:20.65 2025-12-18 05:35:40.704 18.354 orange-ATLAS PSN ATLAS25pvq ATLAS N
280898 2025-12-17 05:16:21 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 21:52:04.314 +33:34:20.83 2025-12-14 02:16:02.000 19.8465 g-ZTF PSN ZTF25achlrsy ZTF 2025TNSTR5016....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
22827 2026-01-20 23:09:01 ZTF_Bot1 J. Sollerman, J. Castaneda Jaimes, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ic 0.03 1 ZTF 2026TNSCR.261....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
22828 2026-01-14 03:19:32 P200 / NGPS K-Ryan Hinds K-Ryan Hinds ZTF tns_2025ahds_2026-01-14_03-19-32_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Fri, 01/09/2026 - 19:16

Object coordinates updated

Object coordinates updated according to AT-report 286211 of Group ZTF
Previous RA, DEC: 21:52:04.314, +33:34:20.83 (328.0179741, +33.572453)
Updated RA, DEC: 21:52:04.295, +33:34:20.79 (328.01789694444, +33.572441822222)