RA/DEC (2000)
20:51:54.469 -14:33:30.42
312.976954911 -14.5584512537
Type
SN
Redshift
0.044
Discovery ReportClassification Report
Related AstroNotes: 2025-281
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-09-01 13:47:32.352
TNS AT
Y
Public
Y
Discovery Mag
19.49
Filter
L-GOTO
Reporter/s
M. Pursiainen, D. O'Neill, K. Ackley, M. Dyer, J. Lyman, 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, T. Killestein, A. Kumar, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025wpj - 2025-09-02 01:49:40 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-S_GOTO-3_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
21953 2025-09-02 01:49:40 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025wpj_2025-09-02_01-49-40.406_NOT_ALFOSC_GOTO.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-08-31 13:51:54 - 2025-09-01 13:47:32 2460919.077712 - 2460920.074685 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
514915 2025-09-01 13:47:32 2460920.074685 19.49 0.15 ABMag L-GOTO GOTO-S_GOTO-3 180
514914 2025-08-31 13:51:54 2460919.077712 19.9 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-09-12 21:27:36 - 2025-09-13 20:35:55 2460931.39417 - 2460932.35828 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517052 2025-09-13 20:35:55 2460932.35828 18.998 0.156 19.46 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
517051 2025-09-12 21:27:36 2460931.39417 18.02 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
i-ZTF P48_ZTF-Cam 2025-09-01 06:38:03 - 2025-09-01 06:38:03 2460919.7764236 - 2460919.7764236 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515073 2025-09-01 06:38:03 2460919.7764236 19.5512 ABMag i-ZTF P48_ZTF-Cam [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-31 05:41:58 - 2025-09-01 06:46:25 2460918.7374769 - 2460919.7822338 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515074 2025-09-01 06:46:25 2460919.7822338 19.8526 0.19132 ABMag r-ZTF P48_ZTF-Cam
516156 2025-09-01 06:46:25 2460919.7822338 19.8526 0.19132 20.0396 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
516155 2025-08-31 05:41:58 2460918.7374769 20.0766 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2025-09-02 07:04:34 - 2025-09-02 07:04:34 2460920.794838 - 2460920.794838 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515075 2025-09-02 07:04:34 2460920.794838 19.5084 0.215758 ABMag g-ZTF P48_ZTF-Cam
w-P1 PS1_GPC1 2025-09-19 07:31:01 - 2025-09-19 07:31:01 2460937.81321 - 2460937.81321 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518938 2025-09-19 07:31:01 2460937.81321 19.07 0.05 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
270862 2025-09-21 14:48:56 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 20:51:54.469 -14:33:30.42 2025-09-19 07:31:01.344 19.07 w-P1 PSN PS25hot Pan-STARRS N
269999 2025-09-14 18:22:59 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 20:51:54.481 -14:33:30.32 2025-09-13 20:35:55.392 18.998 orange-ATLAS PSN ATLAS25lgq ATLAS N
269543 2025-09-08 18:15:26 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 20:51:54.472 -14:33:30.34 2025-09-01 06:46:25.000 19.8526 r-ZTF PSN ZTF25abnuyia ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abnuyia N
269055 2025-09-02 07:36:49 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 20:51:54.460 -14:33:30.49 2025-09-01 06:46:25.000 19.8526 r-ZTF PSN ZTF25abnuyia ZTF N
268941 2025-09-01 17:01:15 GOTO_bot M. Pursiainen,D. O'Neill,K. Ackley et al. GOTO GOTO 20:51:54.440 -14:33:30.60 2025-09-01 13:47:32.352 19.49 L-GOTO Other GOTO25grg GOTO 2025TNSTR3496....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
21953 2025-09-02 14:26:59 Joe Lyman I. Worssam, M. Pursiainen, T. Killestein, J. Lyman, D. O'Neill, 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 0.044 1 GOTO Blue continuum showing a weak feature around 4600A consistent with young SNe II. Narrow Halpha seen but could be from underlying host. Likely a SN, although sub-type classification is ambiguous. Redshift from host galaxy (NED). 2025TNSCR3529....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
21953 2025-09-02 01:49:40 NOT / ALFOSC I. Worssam, M. Pursiainen I. Worssam, M. Pursiainen GOTO tns_2025wpj_2025-09-02_01-49-40.406_NOT_ALFOSC_GOTO.dat Object

Comments

TNS
System

Sun, 09/21/2025 - 14:48

Object coordinates updated

Object coordinates updated according to AT-report 270862 of Group Pan-STARRS
Previous RA, DEC: 20:51:54.472, -14:33:30.34 (312.97696511538, -14.558427661538)
Updated RA, DEC: 20:51:54.469, -14:33:30.42 (312.976954911, -14.5584512537)

TNS
System

Mon, 09/08/2025 - 18:15

Object coordinates updated

Object coordinates updated according to AT-report 269543 of Group ZTF
Previous RA, DEC: 20:51:54.460, -14:33:30.49 (312.9769171, -14.5584684)
Updated RA, DEC: 20:51:54.472, -14:33:30.34 (312.97696511538, -14.558427661538)

TNS
System

Tue, 09/02/2025 - 07:36

Object coordinates updated

Object coordinates updated according to AT-report 269055 of Group ZTF
Previous RA, DEC: 20:51:54.440, -14:33:30.60 (312.976834, -14.558501)
Updated RA, DEC: 20:51:54.460, -14:33:30.49 (312.9769171, -14.5584684)