RA/DEC (2000)
01:05:04.507 -26:47:56.35
16.2687782894 -26.7989873977
Type
SN Ia-91T-like
Redshift
0.05
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-07-12 19:19:24.960
TNS AT
Y
Public
Y
Discovery Mag
19.09
Filter
L-GOTO
Reporter/s
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, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025rgm - 2025-08-05 00:00:00 LT / SPRAT (TCD)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-4_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌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
21710 2025-08-05 00:00:00 LT / SPRAT 1200 Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Br Cillian O'Donnell TCD tns_2025rgm_2025-08-05_LT_SPRAT_TCD.text Object ~ +11d from peak
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-07-08 18:18:25 - 2025-07-12 19:19:25 2460865.262793 - 2460869.305152 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502941 2025-07-12 19:19:25 2460869.305152 19.09 0.17 ABMag L-GOTO GOTO-S_GOTO-4 180
502940 2025-07-08 18:18:25 2460865.262793 19.5 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-14 08:31:23 - 2025-07-17 06:17:47 2460870.85513 - 2460873.76235 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503175 2025-07-17 06:17:47 2460873.76235 18.74 0.205 18.71 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
503174 2025-07-14 08:31:23 2460870.85513 18.26 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-13 10:31:12 - 2025-08-13 10:31:12 2460900.9383333 - 2460900.9383333 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508979 2025-08-13 10:31:12 2460900.9383333 18.2361 0.082435 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-08-15 10:33:03 - 2025-08-15 10:33:03 2460902.9396181 - 2460902.9396181 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508980 2025-08-15 10:33:03 2460902.9396181 18.5506 0.108225 ABMag g-ZTF P48_ZTF-Cam
w-P1 PS1_GPC1 2025-08-30 13:26:24 - 2025-08-30 13:26:24 2460918.06 - 2460918.06 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
546460 2025-08-30 13:26:24 2460918.06 18.83 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
285175 2025-12-31 15:37:55 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 01:05:04.507 -26:47:56.35 2025-08-30 13:26:24.000 18.83 w-P1 PSN PS25lzj Pan-STARRS N
265927 2025-08-15 10:48:31 BTSbot_bot Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al. ZTF ZTF 01:05:04.497 -26:47:56.57 2025-08-13 10:31:11.997 18.2361 r-ZTF PSN ZTF25abikjqa ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
262849 2025-07-18 00:51:36 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 01:05:04.515 -26:47:56.65 2025-07-17 06:17:47.040 18.74 orange-ATLAS PSN ATLAS25htf ATLAS N
262725 2025-07-16 17:01:48 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 01:05:04.496 -26:47:56.54 2025-07-12 19:19:24.960 19.09 L-GOTO Other GOTO25eyf GOTO 2025TNSTR2724....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21710 2025-08-06 12:59:05 Cillian O'Donnell Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Bravo TCD SN Ia-91T-like 0.05 1 TCD snid classification 2025TNSCR3100....1O
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
21710 2025-08-05 00:00:00 LT / SPRAT 1200 Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Br Cillian O'Donnell TCD tns_2025rgm_2025-08-05_LT_SPRAT_TCD.text Object ~ +11d from peak

Comments

TNS
System

Wed, 12/31/2025 - 15:37

Object coordinates updated

Object coordinates updated according to AT-report 285175 of Group Pan-STARRS
Previous RA, DEC: 01:05:04.497, -26:47:56.57 (16.2687383, -26.799047)
Updated RA, DEC: 01:05:04.507, -26:47:56.35 (16.2687782894, -26.7989873977)

TNS
System

Fri, 08/15/2025 - 10:48

Object coordinates updated

Object coordinates updated according to AT-report 265927 of Group ZTF
Previous RA, DEC: 01:05:04.515, -26:47:56.65 (16.2688114286, -26.7990685714)
Updated RA, DEC: 01:05:04.497, -26:47:56.57 (16.2687383, -26.799047)

TNS
System

Fri, 07/18/2025 - 00:51

Object coordinates updated

Object coordinates updated according to AT-report 262849 of Group ATLAS
Previous RA, DEC: 01:05:04.496, -26:47:56.54 (16.268732, -26.79904)
Updated RA, DEC: 01:05:04.515, -26:47:56.65 (16.2688114286, -26.7990685714)