RA/DEC (2000)
07:33:20.595 +47:27:13.41
113.335812596 +47.4537248895
Type
SN Ia
Redshift
0.0517
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-12-11 11:19:45.984
TNS AT
Y
Public
Y
Discovery Mag
18.939
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025agki - 2025-12-13 07:54:32 Lick-3m / KAST (UCSC)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

 ▌WFST_WFST-WFC_r
 ▌LAST_LAST-Cam_Clear
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_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
22583 2025-12-13 07:54:32 Lick-3m / KAST 2400 Kyle Davis (UCSC) Kyle Davis (UCSC) UCSC tns_2025agki_2025-12-13_07-54-32.49_Lick-3m_KAST_UCSC.flm Object We measure a Si II absorption velocity of -11,400 km/s.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-WFST WFST_WFST-WFC 2025-12-02 17:42:43 - 2025-12-08 18:46:05 2461012.238 - 2461018.282 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
567760 2025-12-08 18:46:05 2461018.282 19.71 0.05 ABMag r-WFST WFST_WFST-WFC 30
567759 2025-12-02 17:42:43 2461012.238 21.7 ABMag r-WFST WFST_WFST-WFC 30 [Last non detection]
Clear- LAST_LAST-Cam 2025-11-28 01:19:15 - 2025-12-17 22:32:24 2461007.55503 - 2461027.43917 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
539989 2025-12-17 22:32:24 2461027.43917 18.76 ABMag Clear- LAST_LAST-Cam 400
539988 2025-11-28 01:19:15 2461007.55503 20.81 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-12-09 01:21:28 - 2025-12-21 02:00:02 2461018.556566 - 2461030.583364 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
541511 2025-12-21 02:00:02 2461030.583364 18.4 0.05 ABMag L-GOTO GOTO-N_GOTO-2 180
541510 2025-12-09 01:21:28 2461018.556566 19 ABMag L-GOTO GOTO-N_GOTO-2 135 [Last non detection]
w-P1 PS2_GPC2 2025-12-25 11:38:43 - 2025-12-25 11:38:43 2461034.98522 - 2461034.98522 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545596 2025-12-25 11:38:43 2461034.98522 18.39 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2025-12-11 06:20:21 - 2025-12-11 06:20:21 2461020.7641319 - 2461020.7641319 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537798 2025-12-11 06:20:21 2461020.7641319 18.9951 0.103611 20.2637 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-12-07 08:19:32 - 2025-12-07 08:19:32 2461016.8468981 - 2461016.8468981 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537797 2025-12-07 08:19:32 2461016.8468981 18.9158 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-12-10 11:59:41 - 2025-12-11 11:19:46 2461019.99978 - 2461020.97206 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
537703 2025-12-11 11:19:46 2461020.97206 18.939 0.163 19.34 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
537702 2025-12-10 11:59:41 2461019.99978 19.29 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
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
296087 2026-03-20 10:30:34 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 07:33:20.590 +47:27:13.45 2025-12-08 18:46:04.800 19.71 r-WFST PSN WFST251208bhdni WFST N
284351 2025-12-30 21:41:01 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 07:33:20.595 +47:27:13.41 2025-12-25 11:38:43.008 18.39 w-P1 PSN PS22mqi Pan-STARRS N
281794 2025-12-21 11:54:26 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 07:33:20.587 +47:27:13.29 2025-12-21 02:00:02.304 18.4 L-GOTO Other GOTO25mgj GOTO N
281103 2025-12-18 08:28:12 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 07:33:20.519 +47:27:13.08 2025-12-17 22:32:24.288 18.76 Clear- PSN LAST N
280127 2025-12-11 20:19:14 ALeRCE A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 07:33:20.605 +47:27:13.45 2025-12-11 06:20:20.996 18.9951 r-ZTF PSN SDSS J073320.40+472715.4 ZTF25acgprsb ZTF Early SN candidate (r-rise > 0.10+-0.01 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25acgprsb N
280090 2025-12-11 16:12:12 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 07:33:20.621 +47:27:13.75 2025-12-11 11:19:45.984 18.939 orange-ATLAS PSN ATLAS25pmo ATLAS 2025TNSTR4923....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22582 2025-12-14 02:33:26 Kyle Davis Kyle Davis (UCSC), Ryan Foley (UCSC) UCSC SN Ia 0.0517 1 UCSC 2025TNSCR4981....1D
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
22583 2025-12-13 07:54:32 Lick-3m / KAST 2400 Kyle Davis (UCSC) Kyle Davis (UCSC) UCSC tns_2025agki_2025-12-13_07-54-32.49_Lick-3m_KAST_UCSC.flm Object We measure a Si II absorption velocity of -11,400 km/s.

Comments

TNS
System

Tue, 12/30/2025 - 21:41

Object coordinates updated

Object coordinates updated according to AT-report 284351 of Group Pan-STARRS
Previous RA, DEC: 07:33:20.605, +47:27:13.45 (113.3358532, +47.4537369)
Updated RA, DEC: 07:33:20.595, +47:27:13.41 (113.335812596, +47.4537248895)

TNS
System

Thu, 12/11/2025 - 20:19

Object coordinates updated

Object coordinates updated according to AT-report 280127 of Group ZTF
Previous RA, DEC: 07:33:20.621, +47:27:13.75 (113.335922857, +47.4538185714)
Updated RA, DEC: 07:33:20.605, +47:27:13.45 (113.3358532, +47.4537369)