RA/DEC (2000)
01:37:53.843 +06:48:40.01
24.4743439877 +6.81111394239
Type
SN Ia
Redshift
0.08
Discovery ReportClassification Report
Related AstroNotes: 2025-269
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-19 12:05:02.400
TNS AT
Y
Public
Y
Discovery Mag
20.04
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_2025upe - 2025-08-28 04:57:46 NOT / ALFOSC (GOTO)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-N_GOTO-1_L
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌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
21895 2025-08-28 04:57:46 NOT / ALFOSC I. Worssam, M. Pursiainen M. Pursiainen, I. Worssam GOTO tns_2025upe_2025-08-28_04-57-46.139_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2025-08-06 04:18:43 - 2025-08-23 02:48:42 2460893.679671 - 2460910.617147 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
511613 2025-08-23 02:48:42 2460910.617147 18.72 0.1 ABMag L-GOTO GOTO-N_GOTO-1 180
511612 2025-08-06 04:18:43 2460893.679671 19.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-08-16 10:54:46 - 2025-08-19 12:05:02 2460903.9547 - 2460907.0035 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510453 2025-08-19 12:05:02 2460907.0035 20.04 0.172 20.25 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 110 Robot
510452 2025-08-16 10:54:46 2460903.9547 19.88 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 110 Robot [Last non detection]
w-P1 PS1_GPC1 2025-08-20 13:59:40 - 2025-08-20 13:59:40 2460908.0831 - 2460908.0831 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514059 2025-08-20 13:59:40 2460908.0831 19.49 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
268534 2025-08-29 21:25:38 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 01:37:53.843 +06:48:40.01 2025-08-20 13:59:39.840 19.49 w-P1 PSN PS25hev Pan-STARRS N
267272 2025-08-23 10:46:07 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 01:37:53.832 +06:48:39.96 2025-08-23 02:48:41.760 18.72 L-GOTO Other GOTO25gdw GOTO N
266690 2025-08-20 10:08:03 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 01:37:53.858 +06:48:39.57 2025-08-19 12:05:02.400 20.04 orange-ATLAS PSN ATLAS25juu ATLAS 2025TNSTR3286....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
21895 2025-08-28 09:58:51 Joe Lyman I. Worssam, M. Pursiainen, D. O'Neill, J. Lyman, T. Killestein, K. Ackley, M. Dyer, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, A. Kumar on behalf of GOTO collaboration GOTO SN Ia 0.08 1 GOTO Matches to SN Ia around peak-light. Redshift from template matching. 2025TNSCR3426....1W
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
21895 2025-08-28 04:57:46 NOT / ALFOSC I. Worssam, M. Pursiainen M. Pursiainen, I. Worssam GOTO tns_2025upe_2025-08-28_04-57-46.139_NOT_ALFOSC_GOTO.dat Object

Comments

TNS
System

Fri, 08/29/2025 - 21:25

Object coordinates updated

Object coordinates updated according to AT-report 268534 of Group Pan-STARRS
Previous RA, DEC: 01:37:53.858, +06:48:39.57 (24.474408, +6.810992)
Updated RA, DEC: 01:37:53.843, +06:48:40.01 (24.4743439877, +6.81111394239)