RA/DEC (2000)
12:04:37.979 +08:26:50.19
181.158245512 +8.4472748356
Type
SN Ia
Redshift
0.103
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-12-08 11:53:51.996
TNS AT
Y
Public
Y
Discovery Mag
19.8853
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_2025agbc - 2025-12-22 11:46:58 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
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▌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
 ▌PS2_GPC2_w
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
22670 2025-12-22 11:46:58 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025agbc_2025-12-22_11-46-57.924560_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-12-23 04:43:57 - 2025-12-23 04:43:57 2461032.69719 - 2461032.69719 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
542837 2025-12-23 04:43:57 2461032.69719 19.72 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
w-P1 PS2_GPC2 2026-01-20 12:34:49 - 2026-01-20 12:34:49 2461061.02418 - 2461061.02418 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
553266 2026-01-20 12:34:49 2461061.02418 20.16 0.06 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-12-07 05:35:26 - 2025-12-18 05:17:23 2461016.732939 - 2461027.720408 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540117 2025-12-18 05:17:23 2461027.720408 18.84 0.07 ABMag L-GOTO GOTO-N_GOTO-1 180
540116 2025-12-07 05:35:26 2461016.732939 19.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-01 12:10:05 - 2025-12-08 11:53:52 2461011.0070023 - 2461017.9957407 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536789 2025-12-08 11:53:52 2461017.9957407 19.8853 0.137096 ABMag r-ZTF P48_ZTF-Cam
541622 2025-12-06 12:56:52 2461016.0394907 20.0418 0.300305 19.9684 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
541621 2025-12-01 12:10:05 2461011.0070023 20.1131 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2025-12-06 12:05:08 - 2025-12-08 12:56:17 2461016.0035648 - 2461018.0390856 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536790 2025-12-08 12:56:17 2461018.0390856 19.4641 0.15418 ABMag g-ZTF P48_ZTF-Cam
536788 2025-12-06 12:05:08 2461016.0035648 19.4359 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-26 12:21:18 - 2025-12-26 12:21:18 2461036.01479 - 2461036.01479 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
542838 2025-12-26 12:21:18 2461036.01479 19.168 0.159 19.34 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
288652 2026-01-24 12:46:43 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 12:04:37.979 +08:26:50.19 2026-01-20 12:34:49.152 20.16 w-P1 PSN PS26ln Pan-STARRS N
282445 2025-12-26 22:04:48 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:04:37.996 +08:26:50.34 2025-12-26 12:21:17.856 19.168 orange-ATLAS PSN ATLAS25qgz ATLAS N
281844 2025-12-21 19:17:49 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 12:04:37.991 +08:26:50.24 2025-12-06 12:56:51.996 20.0418 r-ZTF PSN ZTF25acgmrgz ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25acgmrgz N
281164 2025-12-18 09:34:32 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 12:04:37.982 +08:26:50.75 2025-12-18 05:17:23.424 18.84 L-GOTO Other GOTO25lvk GOTO N
279677 2025-12-08 13:23:51 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 12:04:38.004 +08:26:50.35 2025-12-08 11:53:51.996 19.8853 r-ZTF PSN ZTF25acgmrgz ZTF 2025TNSTR4882....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
22669 2025-12-22 12:40:11 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.103 1 ZTF 2025TNSCR5135....1F
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
22670 2025-12-22 11:46:58 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025agbc_2025-12-22_11-46-57.924560_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sat, 01/24/2026 - 12:46

Object coordinates updated

Object coordinates updated according to AT-report 288652 of Group Pan-STARRS
Previous RA, DEC: 12:04:37.991, +08:26:50.24 (181.1582941375, +8.447289675)
Updated RA, DEC: 12:04:37.979, +08:26:50.19 (181.158245512, +8.4472748356)

TNS
System

Sun, 12/21/2025 - 19:17

Object coordinates updated

Object coordinates updated according to AT-report 281844 of Group ZTF
Previous RA, DEC: 12:04:38.004, +08:26:50.35 (181.1583497, +8.4473181)
Updated RA, DEC: 12:04:37.991, +08:26:50.24 (181.1582941375, +8.447289675)