RA/DEC (2000)
04:50:43.145 -20:45:11.91
72.6797696 -20.7533088
Type
SN Ia
Redshift
0.065472
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-09-04 11:53:27.000
TNS AT
Y
Public
Y
Discovery Mag
20.4372
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_2025xfc - 2025-09-20 10:02:34 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-3_L
 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_r
 ▌CTIO-4m_DECAM_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
22056 2025-09-20 10:02:34 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025xfc_2025-09-20_10-02-33.855745_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-09-03 17:53:51 - 2025-09-03 17:53:51 2460922.245729 - 2460922.245729 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517951 2025-09-03 17:53:51 2460922.245729 19.8 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-09-04 04:49:04 - 2025-09-04 04:49:04 2460922.700736 - 2460922.700736 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517952 2025-09-04 04:49:04 2460922.700736 20.01 0.19 ABMag L-GOTO GOTO-N_GOTO-2 360
orange-ATLAS ATLAS-STH_ATLAS-03 2025-09-11 02:07:35 - 2025-09-14 01:45:18 2460929.5886 - 2460932.57312 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517733 2025-09-14 01:45:18 2460932.57312 18.533 0.143 19.22 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
517732 2025-09-11 02:07:35 2460929.5886 18.27 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-04 11:53:27 - 2025-09-10 11:59:56 2460922.9954514 - 2460928.9999537 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516365 2025-09-10 11:59:56 2460928.9999537 18.8366 0.156888 ABMag r-ZTF P48_ZTF-Cam
516364 2025-09-04 11:53:27 2460922.9954514 20.4372 0.207452 ABMag r-ZTF P48_ZTF-Cam
i-Sloan CTIO-4m_DECAM 2025-10-07 07:48:11 - 2025-10-07 07:48:11 2460955.8251333 - 2460955.8251333 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
530728 2025-10-07 07:48:11 2460955.8251333 19.4425 0.0113131 ABMag i-Sloan CTIO-4m_DECAM
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
276572 2025-11-12 23:27:33 DESIRT_Bot Xander J. Hall (Carnegie Mellon U.),Lei Hu (Carnegie Mellon U.),Antonella Palmese (Carnegie Mellon U.) et al. DESIRT DESIRT 04:50:43.148 -20:45:11.83 2025-10-07 07:48:11.232 19.4425 i-Sloan PSN T202510070450431m204512 DESIRT N
270409 2025-09-17 07:14:27 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 04:50:43.167 -20:45:12.31 2025-09-04 04:49:03.936 20.01 L-GOTO Other GOTO25gwe GOTO This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. The candidate was flagged by volunteers: Virgilio Gonano, Sumit Kewat, M.T. Mazzucato, Amoli Kakkar, Ciro Sirio Perrella N
270326 2025-09-16 15:28:20 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 04:50:43.141 -20:45:11.44 2025-09-14 01:45:17.568 18.533 orange-ATLAS PSN ATLAS25lnm ATLAS N
269653 2025-09-11 07:08:47 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 04:50:43.145 -20:45:11.91 2025-09-04 11:53:27.000 20.4372 r-ZTF PSN ZTF25aboyxea ZTF 2025TNSTR3657....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
22056 2025-09-20 10:54:11 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 0.065472 1 ZTF 2025TNSCR3787....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
22056 2025-09-20 10:02:34 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025xfc_2025-09-20_10-02-33.855745_P60_SEDM_ZTF.ascii Object

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