RA/DEC (2000)
12:02:26.593 +50:59:30.67
180.6108057 +50.9918518
Type
SN Ia
Redshift
0.068
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-12-09 04:53:51.648
TNS AT
Y
Public
Y
Discovery Mag
19.48
Filter
L-GOTO
Reporter/s
G. Ramsay, D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025aghv - 2025-12-21 09:30:57 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
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Show N II at z=vexp= km/s
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Show N V at z=vexp= km/s
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Show [O I] at z=vexp= km/s
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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
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Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 WFST_WFST-WFC_g
 GOTO-N_GOTO-2_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 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
22658 2025-12-21 09:30:57 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aghv_2025-12-21_09-30-57.411982_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-WFST WFST_WFST-WFC 2026-01-02 19:52:19 - 2026-01-02 19:52:19 2461043.328 - 2461043.328 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
568238 2026-01-02 19:52:19 2461043.328 18.71 0.03 ABMag g-WFST WFST_WFST-WFC 30
L-GOTO GOTO-N_GOTO-2 2025-11-30 04:44:34 - 2025-12-09 04:53:52 2461009.697616 - 2461018.704071 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537441 2025-12-09 04:53:52 2461018.704071 19.48 0.19 ABMag L-GOTO GOTO-N_GOTO-2 180
537440 2025-11-30 04:44:34 2461009.697616 20.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-12-07 11:26:36 - 2025-12-11 12:16:46 2461016.9768056 - 2461021.0116435 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537654 2025-12-11 12:16:46 2461021.0116435 18.8505 0.0943894 ABMag r-ZTF P48_ZTF-Cam
537652 2025-12-07 11:26:36 2461016.9768056 19.7695 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-12-08 10:11:21 - 2025-12-08 10:11:21 2461017.9245486 - 2461017.9245486 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537653 2025-12-08 10:11:21 2461017.9245486 19.8626 0.214035 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-12-11 14:30:12 - 2025-12-11 14:30:12 2461021.10431 - 2461021.10431 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538528 2025-12-11 14:30:12 2461021.10431 19.29 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-12-13 13:24:39 - 2025-12-13 13:24:39 2461023.05878 - 2461023.05878 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
538529 2025-12-13 13:24:39 2461023.05878 18.499 0.1 19.22 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
296395 2026-03-20 10:34:52 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 12:02:26.580 +50:59:30.56 2026-01-02 19:52:19.200 18.71 g-WFST PSN WFST260102borzl WFST N
280428 2025-12-13 19:19:13 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 12:02:26.598 +50:59:30.81 2025-12-13 13:24:38.592 18.499 orange-ATLAS PSN ATLAS25pre ATLAS N
280067 2025-12-11 12:36:38 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 12:02:26.593 +50:59:30.67 2025-12-08 10:11:20.999 19.8626 g-ZTF PSN ZTF25acgsxcb ZTF N
279983 2025-12-11 08:44:27 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 12:02:26.587 +50:59:30.75 2025-12-09 04:53:51.648 19.48 L-GOTO Other GOTO25llz GOTO 2025TNSTR4925....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
22657 2025-12-21 10:24:55 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 0.068 1 ZTF 2025TNSCR5112....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
22658 2025-12-21 09:30:57 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aghv_2025-12-21_09-30-57.411982_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 280067 of Group ZTF
Previous RA, DEC: 12:02:26.587, +50:59:30.75 (180.610778, +50.991875)
Updated RA, DEC: 12:02:26.593, +50:59:30.67 (180.6108057, +50.9918518)