RA/DEC (2000)
09:27:37.170 -10:01:00.75
141.9048732 -10.016875822222
Type
SN Ia
Redshift
0.0905
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-12-12 08:36:07.004
TNS AT
Y
Public
Y
Discovery Mag
19.4172
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_2025agns - 2026-01-28 10:16:57 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-S_GOTO-4_L
 ▌GOTO-S_GOTO-3_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
22881 2026-01-28 10:16:57 P200 / NGPS Christoffer Fremling Christoffer Fremling ZTF tns_2025agns_2026-01-28_10-16-57_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-12-14 15:15:56 - 2025-12-14 15:15:56 2461024.136074 - 2461024.136074 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539829 2025-12-14 15:15:56 2461024.136074 19.02 0.07 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-S_GOTO-3 2025-12-08 16:50:07 - 2025-12-08 16:50:07 2461018.201471 - 2461018.201471 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539828 2025-12-08 16:50:07 2461018.201471 19.7 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-08 11:29:16 - 2025-12-12 11:03:26 2461017.9786574 - 2461021.9607176 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538073 2025-12-12 11:03:26 2461021.9607176 19.4623 0.171932 ABMag r-ZTF P48_ZTF-Cam
538071 2025-12-08 11:29:16 2461017.9786574 19.851 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-12-08 10:23:08 - 2025-12-12 08:36:07 2461017.9327315 - 2461021.8584144 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538072 2025-12-12 08:36:07 2461021.8584144 19.4172 0.103346 ABMag g-ZTF P48_ZTF-Cam
541628 2025-12-12 08:36:07 2461021.8584144 19.3592 0.209665 19.8234 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
541627 2025-12-08 10:23:08 2461017.9327315 19.5963 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
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
281847 2025-12-21 19:17:49 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 09:27:37.170 -10:01:00.75 2025-12-12 08:36:07.004 19.3592 g-ZTF PSN ZTF25acgztnh ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25acgztnh N
281049 2025-12-17 19:27:15 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 09:27:37.161 -10:01:00.84 2025-12-14 15:15:56.448 19.02 L-GOTO Other GOTO25ltm GOTO N
280236 2025-12-12 12:00:14 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 09:27:37.174 -10:01:00.59 2025-12-12 08:36:07.004 19.4172 g-ZTF PSN ZTF25acgztnh ZTF 2025TNSTR4942....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
22880 2026-01-29 23:25:52 ZTF_Bot1 J. Johansson, J. Castaneda Jaimes, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.0905 1 ZTF 2026TNSCR.392....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
22881 2026-01-28 10:16:57 P200 / NGPS Christoffer Fremling Christoffer Fremling ZTF tns_2025agns_2026-01-28_10-16-57_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Sun, 12/21/2025 - 19:17

Object coordinates updated

Object coordinates updated according to AT-report 281847 of Group ZTF
Previous RA, DEC: 09:27:37.174, -10:01:00.59 (141.9048913, -10.0168304)
Updated RA, DEC: 09:27:37.170, -10:01:00.75 (141.9048732, -10.016875822222)