RA/DEC (2000)
00:04:05.527 +02:39:35.65
1.02303020643 +2.65990234951
Type
SN Ia
Redshift
0.1
Related AstroNotes: 2025-277
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-08-28 01:01:45.696
TNS AT
Y
Public
Y
Discovery Mag
19.65
Filter
L-GOTO
Reporter/s
M. Pursiainen, G. Ramsay, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, D. O'Neill, on behalf of GOTO collaboration

Spectra

 SN_2025wla - 2025-08-31 04:50:41 NOT / ALFOSC (GOTO)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
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Show [O I] at z=vexp= km/s
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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
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Show Tellurics 
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 GOTO-N_GOTO-1_L
 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
21935 2025-08-31 04:50:41 NOT / ALFOSC M. Pursiainen, I. Worssam M. Pursiainen, I. Worssam GOTO tns_2025wla_2025-08-31_04-50-40.952_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-1 2025-08-27 01:08:14 - 2025-08-28 01:01:46 2460914.547395 - 2460915.542893 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514447 2025-08-28 01:01:46 2460915.542893 19.65 0.21 ABMag L-GOTO GOTO-N_GOTO-1 180
514446 2025-08-27 01:08:14 2460914.547395 19.8 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
w-P1 PS1_GPC1 2025-08-25 12:26:33 - 2025-08-25 12:26:33 2460913.01844 - 2460913.01844 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516440 2025-08-25 12:26:33 2460913.01844 20.45 0.09 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
269686 2025-09-11 10:43:48 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 00:04:05.527 +02:39:35.65 2025-08-25 12:26:33.216 20.45 w-P1 PSN PS25hjn Pan-STARRS N
268721 2025-08-31 05:35:10 GOTO_bot M. Pursiainen,G. Ramsay,K. Ackley et al. GOTO GOTO 00:04:05.536 +02:39:35.42 2025-08-28 01:01:45.696 19.65 L-GOTO Other GOTO25gol GOTO 2025TNSTR3475....1P N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21935 2025-08-31 09:09:48 David O'Neill M. Pursiainen, I. Worssam, J. Lyman, D. O'Neill, 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 0.1 1 GOTO Classified using template matching with SNID-SAGE. Spectrum is consistent with a type Ia around 1 week pre-peak. Redshift is from template matching. 2025TNSCR3485....1P
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
21935 2025-08-31 04:50:41 NOT / ALFOSC M. Pursiainen, I. Worssam M. Pursiainen, I. Worssam GOTO tns_2025wla_2025-08-31_04-50-40.952_NOT_ALFOSC_GOTO.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 269686 of Group Pan-STARRS
Previous RA, DEC: 00:04:05.536, +02:39:35.42 (1.023067, +2.65984)
Updated RA, DEC: 00:04:05.527, +02:39:35.65 (1.02303020643, +2.65990234951)