RA/DEC (2000)
10:31:00.467 +50:02:22.36
157.751947457 +50.0395450876
Type
SN Ia-91T-like
Redshift
0.07
Discovery ReportClassification Report
Related AstroNotes: DRAFT-2311
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-10-11 11:04:37.004
TNS AT
Y
Public
Y
Discovery Mag
18.3036
Filter
g-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ztm - 2025-10-11 00:00:00 NOT / ALFOSC (None)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_g
 ▌PS2_GPC2_w
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-MLO_ATLAS-01_cyan
   
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
22194 2025-10-11 00:00:00 NOT / ALFOSC 1800 Roar Holmberg Niko Pyykkinen None tns_2025ztm_2025-10-11_NOT_ALFOSC_None.dat tns_2025ztm_2025-10-11_NOT_ALFOSC_None.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-WFST WFST_WFST-WFC 2025-10-25 22:30:43 - 2025-10-25 22:30:43 2460974.438 - 2460974.438 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
568290 2025-10-25 22:30:43 2460974.438 18.94 0.01 ABMag g-WFST WFST_WFST-WFC 30
w-P1 PS2_GPC2 2025-12-26 13:06:08 - 2025-12-26 13:06:08 2461036.04593 - 2461036.04593 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545553 2025-12-26 13:06:08 2461036.04593 20.76 0.06 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-06-25 22:42:06 - 2025-10-26 05:44:20 2460852.445899 - 2460974.739119 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527031 2025-10-26 05:44:20 2460974.739119 18.95 0.06 ABMag L-GOTO GOTO-N_GOTO-1 360
527030 2025-06-25 22:42:06 2460852.445899 19.6 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-11 12:06:47 - 2025-10-11 12:06:47 2460960.0047106 - 2460960.0047106 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522780 2025-10-11 12:06:47 2460960.0047106 18.3748 0.0841376 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-10-11 11:04:37 - 2025-10-11 11:04:37 2460959.9615394 - 2460959.9615394 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
522779 2025-10-11 11:04:37 2460959.9615394 18.3036 0.0896794 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-10-12 15:07:34 - 2025-10-12 15:07:34 2460961.13025 - 2460961.13025 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
525666 2025-10-12 15:07:34 2460961.13025 18.68 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-10-21 14:22:15 - 2025-10-21 14:22:15 2460970.09878 - 2460970.09878 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
525667 2025-10-21 14:22:15 2460970.09878 18.44 0.087 19.37 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 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
296430 2026-03-20 10:34:52 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 10:31:00.450 +50:02:22.44 2025-10-25 22:30:43.200 18.94 g-WFST PSN WFST251025bnqww WFST N
284308 2025-12-30 21:28:12 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 10:31:00.467 +50:02:22.36 2025-12-26 13:06:08.352 20.76 w-P1 PSN PS25kvg Pan-STARRS N
274859 2025-10-26 09:36:46 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 10:31:00.477 +50:02:22.38 2025-10-26 05:44:19.968 18.95 L-GOTO Other GOTO25jft GOTO N
274253 2025-10-21 17:25:01 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 10:31:00.457 +50:02:22.54 2025-10-21 14:22:14.592 18.44 cyan-ATLAS PSN ATLAS25nbn ATLAS N
272741 2025-10-11 12:18:58 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 10:31:00.464 +50:02:22.47 2025-10-11 11:04:37.004 18.3036 g-ZTF PSN ZTF25abwlkls ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2025TNSTR4075....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
22194 2025-10-12 12:46:19 Niko Pyykkinen Niko Pyykkinen (NOT/UTU), Roar Holmberg (NOT/Aarhus) None SN Ia-91T-like 0.07 1 Matches with Type Ia 91T-like. Redshift from SNID. 2025TNSCR4090....1P
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
22194 2025-10-11 00:00:00 NOT / ALFOSC 1800 Roar Holmberg Niko Pyykkinen None tns_2025ztm_2025-10-11_NOT_ALFOSC_None.dat tns_2025ztm_2025-10-11_NOT_ALFOSC_None.fits Object

Comments

TNS
System

Tue, 12/30/2025 - 21:28

Object coordinates updated

Object coordinates updated according to AT-report 284308 of Group Pan-STARRS
Previous RA, DEC: 10:31:00.464, +50:02:22.47 (157.7519354, +50.0395763)
Updated RA, DEC: 10:31:00.467, +50:02:22.36 (157.751947457, +50.0395450876)