RA/DEC (2000)
15:58:09.099 +48:11:38.70
239.5379108 +48.19408335
Type
SN Ia
Redshift
0.083
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-23 21:45:23.328
TNS AT
Y
Public
Y
Discovery Mag
19.346
Filter
wide-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_2025vfk - 2025-09-06 05:10:17 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
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
21972 2025-09-06 05:10:17 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025vfk_2025-09-06_05-10-17.306469_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-19 23:29:15 - 2025-08-23 21:45:23 2460907.47865 - 2460911.40652 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511869 2025-08-23 21:45:23 2460911.40652 19.346 0.08 20.01 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
511868 2025-08-19 23:29:15 2460907.47865 19.69 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-17 05:13:58 - 2025-08-27 04:47:21 2460904.7180324 - 2460914.6995486 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512641 2025-08-27 04:47:21 2460914.6995486 18.7983 0.10353 ABMag r-ZTF P48_ZTF-Cam
512639 2025-08-17 05:13:58 2460904.7180324 20.5631 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-08-21 03:56:56 - 2025-08-27 03:59:58 2460908.664537 - 2460914.6666435 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515403 2025-08-27 03:59:58 2460914.6666435 18.6648 0.080967 20.438 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
515402 2025-08-27 03:59:17 2460914.666169 20.3614 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
512640 2025-08-21 03:56:56 2460908.664537 20.2061 0.109677 ABMag g-ZTF P48_ZTF-Cam
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
269213 2025-09-03 18:14:25 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 15:58:09.099 +48:11:38.70 2025-08-27 03:59:57.998 18.6648 g-ZTF PSN ZTF25abkopax ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abkopax N
267803 2025-08-27 05:49:35 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 15:58:09.093 +48:11:38.78 2025-08-21 03:56:55.996 20.2061 g-ZTF PSN ZTF25abkopax ZTF N
267414 2025-08-24 00:16:33 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 15:58:09.073 +48:11:38.54 2025-08-23 21:45:23.328 19.346 wide-ATLAS PSN ATLAS25kgt ATLAS 2025TNSTR3350....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
21972 2025-09-06 06:03:06 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 0.083 1 ZTF 2025TNSCR3595....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
21972 2025-09-06 05:10:17 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025vfk_2025-09-06_05-10-17.306469_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Wed, 09/03/2025 - 18:14

Object coordinates updated

Object coordinates updated according to AT-report 269213 of Group ZTF
Previous RA, DEC: 15:58:09.093, +48:11:38.78 (239.5378871, +48.1941047)
Updated RA, DEC: 15:58:09.099, +48:11:38.70 (239.5379108, +48.19408335)

TNS
System

Wed, 08/27/2025 - 05:49

Object coordinates updated

Object coordinates updated according to AT-report 267803 of Group ZTF
Previous RA, DEC: 15:58:09.073, +48:11:38.54 (239.537803333, +48.19404)
Updated RA, DEC: 15:58:09.093, +48:11:38.78 (239.5378871, +48.1941047)