RA/DEC (2000)
21:27:46.268 +09:10:01.93
321.94278191 +9.16720399124
Type
SN Ia
Redshift
0.035
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-10-31 02:35:09.997
TNS AT
Y
Public
Y
Discovery Mag
20.2284
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_2025accx - 2025-11-10 02:01:41 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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌PS1_GPC1_z
 ▌PS1_GPC1_i
   
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
22382 2025-11-10 02:01:41 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025accx_2025-11-10_02-01-41.101334_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-11-06 21:45:03 - 2025-11-06 21:45:03 2460986.40628 - 2460986.40628 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529660 2025-11-06 21:45:03 2460986.40628 18.93 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-11-02 19:22:47 - 2025-11-02 19:22:47 2460982.307495 - 2460982.307495 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529364 2025-11-02 19:22:47 2460982.307495 19.13 0.14 ABMag L-GOTO GOTO-N_GOTO-2 360
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-11-08 00:19:01 - 2025-11-08 00:19:01 2460987.51321 - 2460987.51321 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529661 2025-11-08 00:19:01 2460987.51321 17.706 0.101 18.76 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-10-29 22:25:48 - 2025-10-29 22:25:48 2460978.434579 - 2460978.434579 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529363 2025-10-29 22:25:48 2460978.434579 20.3 ABMag L-GOTO GOTO-N_GOTO-1 360 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-31 02:35:10 - 2025-11-01 05:26:43 2460979.6077546 - 2460980.7268866 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528355 2025-11-01 05:26:43 2460980.7268866 19.6592 0.161435 ABMag r-ZTF P48_ZTF-Cam
528354 2025-10-31 02:35:10 2460979.6077546 20.2284 0.148192 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-10-30 05:59:46 - 2025-10-30 05:59:46 2460978.749838 - 2460978.749838 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528353 2025-10-30 05:59:46 2460978.749838 19.7549 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
z-P1 PS1_GPC1 2025-11-08 06:22:33 - 2025-11-08 06:22:33 2460987.76566 - 2460987.76566 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529680 2025-11-08 06:22:33 2460987.76566 17.98 0.08 20.4 ABMag z-P1 PS1_GPC1 27 Robot
i-P1 PS1_GPC1 2025-12-01 05:26:29 - 2025-12-01 05:26:29 2461010.72672 - 2461010.72672 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545629 2025-12-01 05:26:29 2461010.72672 18.15 0.15 20.7 ABMag i-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
284382 2025-12-30 23:16:52 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 21:27:46.268 +09:10:01.93 2025-12-01 05:26:28.608 18.15 i-P1 PSN PS25ihu Pan-STARRS N
276053 2025-11-08 18:35:47 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 21:27:46.271 +09:10:01.90 2025-11-08 06:22:33.024 17.98 z-P1 PSN PS25ihu Pan-STARRS N
276043 2025-11-08 17:11:41 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:27:46.280 +09:10:02.08 2025-11-08 00:19:01.344 17.706 orange-ATLAS PSN ATLAS25nxr ATLAS N
275928 2025-11-06 21:35:30 GOTO_bot G. Ramsay,K. Ackley,M. Dyer et al. GOTO GOTO 21:27:46.245 +09:10:01.96 2025-11-02 19:22:47.136 19.13 L-GOTO Other GOTO25jpj GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Mayahuel Torres Guerrero, Byron Babbish, M.T. Mazzucato, Thorsten Eschweiler, Amoli Kakkar N
275455 2025-11-01 13:12:32 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 21:27:46.273 +09:10:01.95 2025-10-31 02:35:09.997 20.2284 r-ZTF PSN ZTF25acbyrqc ZTF 2025TNSTR4400....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
22381 2025-11-10 02:46:13 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 0.035 1 ZTF 2025TNSCR4520....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
22382 2025-11-10 02:01:41 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025accx_2025-11-10_02-01-41.101334_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Tue, 12/30/2025 - 23:16

Object coordinates updated

Object coordinates updated according to AT-report 284382 of Group Pan-STARRS
Previous RA, DEC: 21:27:46.271, +09:10:01.90 (321.942794037, +9.16719496431)
Updated RA, DEC: 21:27:46.268, +09:10:01.93 (321.94278191, +9.16720399124)

TNS
System

Sat, 11/08/2025 - 18:35

Object coordinates updated

Object coordinates updated according to AT-report 276053 of Group Pan-STARRS
Previous RA, DEC: 21:27:46.273, +09:10:01.95 (321.9428034, +9.1672084)
Updated RA, DEC: 21:27:46.271, +09:10:01.90 (321.942794037, +9.16719496431)