RA/DEC (2000)
20:42:02.698 +21:54:21.51
310.5112398 +21.905976275
Type
SN Ia
Redshift
0.066
Discovery ReportClassification Report
Related AstroNotes: 2025-263
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-07-21 06:44:00.997
TNS AT
Y
Public
Y
Discovery Mag
21.1243
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025sce - 2025-08-02 05:41:27 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-1_L
 ▌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
21685 2025-08-02 05:41:27 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025sce_2025-08-02_05-41-26.507539_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-07-25 02:51:20 - 2025-07-25 02:51:20 2460881.61898 - 2460881.61898 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505440 2025-07-25 02:51:20 2460881.61898 19.73 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-07-14 02:05:06 - 2025-08-02 21:49:24 2460870.586881 - 2460890.409308 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
507121 2025-08-02 21:49:24 2460890.409308 18.65 0.08 ABMag L-GOTO GOTO-N_GOTO-1 360
507120 2025-07-14 02:05:06 2460870.586881 19.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-07-19 08:24:50 - 2025-07-19 08:24:50 2460875.8505787 - 2460875.8505787 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504792 2025-07-19 08:24:50 2460875.8505787 20.9271 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-07-21 06:44:01 - 2025-07-25 05:51:44 2460877.7805671 - 2460881.7442593 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504794 2025-07-25 05:51:44 2460881.7442593 19.543 0.107811 ABMag g-ZTF P48_ZTF-Cam
505976 2025-07-23 07:03:18 2460879.7939583 19.9961 0.138316 20.7242 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
504793 2025-07-21 06:44:01 2460877.7805671 21.1243 0.206582 ABMag g-ZTF P48_ZTF-Cam
505975 2025-07-21 06:44:01 2460877.7805671 20.919 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-07-26 07:27:23 - 2025-07-26 07:27:23 2460882.81068 - 2460882.81068 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505441 2025-07-26 07:27:23 2460882.81068 19.147 0.151 19.5 ABMag orange-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
264820 2025-08-03 07:24:09 GOTO_bot A. Kumar,G. Ramsay,K. Ackley et al. GOTO GOTO 20:42:02.697 +21:54:21.57 2025-08-02 21:49:24.384 18.65 L-GOTO Other GOTO25fpj GOTO N
264262 2025-07-29 18:18:54 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 20:42:02.698 +21:54:21.51 2025-07-23 07:03:17.997 19.9961 g-ZTF PSN ZTF25abdcdwd ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abdcdwd N
263981 2025-07-27 10:37:31 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 20:42:02.723 +21:54:21.40 2025-07-26 07:27:22.752 19.147 orange-ATLAS PSN ATLAS25ihr ATLAS N
263664 2025-07-25 09:15:56 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 20:42:02.710 +21:54:21.42 2025-07-21 06:44:00.997 21.1243 g-ZTF PSN ZTF25abdcdwd ZTF 2025TNSTR2898....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
21685 2025-08-02 06:33:44 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 0.066 1 ZTF 2025TNSCR3047....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
21685 2025-08-02 05:41:27 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025sce_2025-08-02_05-41-26.507539_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Tue, 07/29/2025 - 18:18

Object coordinates updated

Object coordinates updated according to AT-report 264262 of Group ZTF
Previous RA, DEC: 20:42:02.710, +21:54:21.42 (310.511293, +21.9059507)
Updated RA, DEC: 20:42:02.698, +21:54:21.51 (310.5112398, +21.905976275)