RA/DEC (2000)
19:58:24.856 -22:12:25.81
299.603566648 -22.2071694707
Type
SN Ia
Redshift
0.081
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-27 03:32:06.720
TNS AT
Y
Public
Y
Discovery Mag
19.145
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)

Spectra

 SN_2025voy - 2025-08-30 06:25:10 UH88 / SNIFS (SCAT)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
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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
 PS2_GPC2_w
 ATLAS-CHL_ATLAS-04_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
21923 2025-08-30 06:25:10 UH88 / SNIFS 1800 Desai SCAT tns_2025voy_2460917.76748_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-21 00:44:44 - 2025-08-21 00:44:44 2460908.53106 - 2460908.53106 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512747 2025-08-21 00:44:44 2460908.53106 19.59 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
w-P1 PS2_GPC2 2025-08-17 06:52:55 - 2025-08-17 06:52:55 2460904.78675 - 2460904.78675 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516511 2025-08-17 06:52:55 2460904.78675 19.69 0.11 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-08-27 03:32:07 - 2025-08-27 03:32:07 2460914.6473 - 2460914.6473 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
512748 2025-08-27 03:32:07 2460914.6473 19.145 0.107 20.05 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 110 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
269735 2025-09-11 14:11:33 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 19:58:24.856 -22:12:25.81 2025-08-17 06:52:55.200 19.69 w-P1 PSN PS25hkp Pan-STARRS N
267852 2025-08-27 10:41:29 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 19:58:24.871 -22:12:25.93 2025-08-27 03:32:06.720 19.145 orange-ATLAS PSN ATLAS25knf ATLAS 2025TNSTR3390....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
21923 2025-08-30 10:56:36 Dhvanil Desai Dhvanil Desai (on behalf of the SCAT team) SCAT SN Ia 0.081 1 SCAT Redshift estimate from SNID. 2025TNSCR3467....1D
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
21923 2025-08-30 06:25:10 UH88 / SNIFS 1800 Desai SCAT tns_2025voy_2460917.76748_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 269735 of Group Pan-STARRS
Previous RA, DEC: 19:58:24.871, -22:12:25.93 (299.603631111, -22.2072022222)
Updated RA, DEC: 19:58:24.856, -22:12:25.81 (299.603566648, -22.2071694707)