RA/DEC (2000)
23:23:29.809 +25:34:38.90
350.874206 +25.5774711
Type
SN Ia
Redshift
0.062
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-15 01:21:06.048
TNS AT
Y
Public
Y
Discovery Mag
18.903
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_2025txl - 2025-08-17 04:35:42 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
 ▌P48_ZTF-Cam_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
21803 2025-08-17 04:35:42 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025txl_2025-08-17_04-35-41.927039_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-11 05:18:45 - 2025-08-15 01:21:06 2460898.72135 - 2460902.55632 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508921 2025-08-15 01:21:06 2460902.55632 18.903 0.17 18.89 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
508920 2025-08-11 05:18:45 2460898.72135 18.34 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-07-18 04:31:35 - 2025-09-11 21:52:39 2460874.6886 - 2460930.411558 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516566 2025-09-11 21:52:39 2460930.411558 18.33 0.06 ABMag L-GOTO GOTO-N_GOTO-2 180
516565 2025-07-18 04:31:35 2460874.6886 18.8 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
i-ZTF P48_ZTF-Cam 2025-08-12 08:22:55 - 2025-08-15 08:21:14 2460899.8492477 - 2460902.8480787 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508963 2025-08-15 08:21:14 2460902.8480787 18.9158 0.155087 ABMag i-ZTF P48_ZTF-Cam
508962 2025-08-14 08:00:35 2460901.8337384 18.8988 0.154842 ABMag i-ZTF P48_ZTF-Cam
508961 2025-08-12 08:22:55 2460899.8492477 18.8899 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
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
269771 2025-09-12 01:57:18 GOTO_bot S. Belkin,K. Ackley,M. Dyer et al. GOTO GOTO 23:23:29.793 +25:34:38.93 2025-09-11 21:52:38.784 18.33 L-GOTO Other GOTO25gxi GOTO N
265919 2025-08-15 09:47:38 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 23:23:29.809 +25:34:38.90 2025-08-14 08:00:34.997 18.8988 i-ZTF PSN ZTF25abioepd ZTF N
265899 2025-08-15 06:22:26 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 23:23:29.785 +25:34:38.77 2025-08-15 01:21:06.048 18.903 wide-ATLAS PSN ATLAS25jmg ATLAS 2025TNSTR3206....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
21803 2025-08-17 05:28:13 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 0.062 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
21803 2025-08-17 04:35:42 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025txl_2025-08-17_04-35-41.927039_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Fri, 08/15/2025 - 09:47

Object coordinates updated

Object coordinates updated according to AT-report 265919 of Group ZTF
Previous RA, DEC: 23:23:29.785, +25:34:38.77 (350.8741025, +25.5774375)
Updated RA, DEC: 23:23:29.809, +25:34:38.90 (350.874206, +25.5774711)