RA/DEC (2000)
15:16:28.740 +01:56:55.97
229.119751437 +1.94888020963
Type
SN II
Redshift
0.029
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-09-15 05:39:20.160
TNS AT
Y
Public
Y
Discovery Mag
18.086
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (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 (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (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_2025xov - 2025-12-09 13:09:13 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
▌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
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌ATLAS-HKO_ATLAS-02_cyan
 ▌PS1_GPC1_w
   
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
22546 2025-12-09 13:09:13 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025xov_2025-12-09_13-09-13.102359_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-08-16 09:12:02 - 2025-08-16 09:12:02 2460903.883356 - 2460903.883356 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554292 2025-08-16 09:12:02 2460903.883356 19.8 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-09-09 18:33:53 - 2025-09-09 18:33:53 2460928.27353 - 2460928.27353 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517377 2025-09-09 18:33:53 2460928.27353 18.62 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2026-01-10 07:01:11 - 2026-01-10 07:01:11 2461050.79249 - 2461050.79249 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554293 2026-01-10 07:01:11 2461050.79249 19.35 0.15 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-09-25 02:31:51 - 2025-09-30 02:35:56 2460943.6054514 - 2460948.608287 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
520824 2025-09-30 02:35:56 2460948.608287 17.6664 0.069761 ABMag r-ZTF P48_ZTF-Cam
520823 2025-09-25 02:31:51 2460943.6054514 17.7856 0.088947 ABMag r-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-09-15 05:39:20 - 2025-09-15 05:39:20 2460933.73565 - 2460933.73565 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517378 2025-09-15 05:39:20 2460933.73565 18.086 0.076 18.98 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
w-P1 PS1_GPC1 2026-02-19 13:44:58 - 2026-02-19 13:44:58 2461091.07289 - 2461091.07289 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
559801 2026-02-19 13:44:58 2461091.07289 20.19 0.11 22 ABMag w-P1 PS1_GPC1 45 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
292072 2026-02-20 23:37:24 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 15:16:28.740 +01:56:55.97 2026-02-19 13:44:57.696 20.19 w-P1 PSN PS26ahg Pan-STARRS N
289170 2026-01-28 12:11:10 GOTO_bot S. Belkin, G. Ramsay, K. Ackley et al. GOTO GOTO 15:16:28.746 +01:56:55.98 2026-01-10 07:01:11.136 19.35 L-GOTO Other GOTO26aho GOTO N
271741 2025-09-30 03:46:00 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 15:16:28.748 +01:56:56.00 2025-09-25 02:31:51.000 17.7856 r-ZTF PSN ZTF25abtlmgv ZTF N
270163 2025-09-15 07:58:08 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 15:16:28.744 +01:56:56.60 2025-09-15 05:39:20.160 18.086 cyan-ATLAS PSN ATLAS25ljw ATLAS 2025TNSTR3705....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
22545 2025-12-09 19:12:51 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.029 1 ZTF 2025TNSCR4905....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
22546 2025-12-09 13:09:13 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025xov_2025-12-09_13-09-13.102359_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Fri, 02/20/2026 - 23:37

Object coordinates updated

Object coordinates updated according to AT-report 292072 of Group Pan-STARRS
Previous RA, DEC: 15:16:28.748, +01:56:56.00 (229.1197852, +1.9488899)
Updated RA, DEC: 15:16:28.740, +01:56:55.97 (229.119751437, +1.94888020963)

TNS
System

Tue, 09/30/2025 - 03:46

Object coordinates updated

Object coordinates updated according to AT-report 271741 of Group ZTF
Previous RA, DEC: 15:16:28.744, +01:56:56.60 (229.119765, +1.949055)
Updated RA, DEC: 15:16:28.748, +01:56:56.00 (229.1197852, +1.9488899)