RA/DEC (2000)
04:06:30.552 +23:23:07.97
61.6272982713 +23.3855477203
Type
SN Ia
Redshift
0.057
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-07-27 13:53:57.696
TNS AT
Y
Public
Y
Discovery Mag
18.969
Filter
orange-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_2025sxf - 2025-08-17 09:31:15 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

 ▌P48_ZTF-Cam_r
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌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
21804 2025-08-17 09:31:15 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025sxf_2025-08-17_09-31-15.368364_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2025-07-22 11:31:12 - 2025-08-13 10:43:29 2460878.98 - 2460900.9468634 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508461 2025-08-13 10:43:29 2460900.9468634 18.4338 0.0677432 ABMag r-ZTF P48_ZTF-Cam
508460 2025-07-22 11:36:46 2460878.9838657 20.1307 0.192149 ABMag r-ZTF P48_ZTF-Cam
508459 2025-07-22 11:31:12 2460878.98 19.974 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-07-27 13:53:58 - 2025-07-27 13:53:58 2460884.07914 - 2460884.07914 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506724 2025-07-27 13:53:58 2460884.07914 18.969 0.166 19.27 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-03-28 06:02:30 - 2025-03-28 06:02:30 2460762.75174 - 2460762.75174 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506723 2025-03-28 06:02:30 2460762.75174 19.08 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
w-P1 PS1_GPC1 2025-09-05 13:45:03 - 2025-09-05 13:45:03 2460924.07295 - 2460924.07295 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546446 2025-09-05 13:45:03 2460924.07295 19.64 0.04 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
285161 2025-12-31 15:34:37 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 04:06:30.552 +23:23:07.97 2025-09-05 13:45:02.880 19.64 w-P1 PSN PS25lyy Pan-STARRS N
265660 2025-08-13 11:05:16 Fritz Jacob Wise (LJMU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 04:06:30.522 +23:23:07.65 2025-07-22 11:36:45.996 20.1307 r-ZTF PSN ZTF25abdpshz ZTF N
264620 2025-08-01 18:12:44 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 04:06:30.547 +23:23:07.98 2025-07-27 13:53:57.696 18.969 orange-ATLAS PSN ATLAS25itc ATLAS 2025TNSTR3022....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
21804 2025-08-17 10:23:41 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 0.057 1 ZTF 2025TNSCR3250....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
21804 2025-08-17 09:31:15 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025sxf_2025-08-17_09-31-15.368364_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 12/31/2025 - 15:34

Object coordinates updated

Object coordinates updated according to AT-report 285161 of Group Pan-STARRS
Previous RA, DEC: 04:06:30.522, +23:23:07.65 (61.6271744, +23.3854582)
Updated RA, DEC: 04:06:30.552, +23:23:07.97 (61.6272982713, +23.3855477203)

TNS
System

Wed, 08/13/2025 - 11:05

Object coordinates updated

Object coordinates updated according to AT-report 265660 of Group ZTF
Previous RA, DEC: 04:06:30.547, +23:23:07.98 (61.6272782143, +23.3855496429)
Updated RA, DEC: 04:06:30.522, +23:23:07.65 (61.6271744, +23.3854582)