RA/DEC (2000)
04:31:40.710 -54:55:35.74
67.9196242857 -54.9265957143
Type
SN Ia
Redshift
0.05502
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-07-16 17:47:58.560
TNS AT
Y
Public
Y
Discovery Mag
19.37
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_2025rhg - 2025-08-12 00:00:00 ANU-2.3m / WiFeS (None) -host-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
 ▌GOTO-S_GOTO-3_L
 ▌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
21826 2025-08-12 00:00:00 ANU-2.3m / WiFeS B. P. Schmidt (ANU) L. Rauf (ANU) None tns_2025rhg_2025-08-12_ANU-2.3m_WiFeS_None.dat tns_2025rhg_2025-08-12_ANU-2.3m_WiFeS_None.fits Host Fit with Marz template
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-07-12 18:29:36 - 2025-07-12 18:29:36 2460869.270561 - 2460869.270561 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502984 2025-07-12 18:29:36 2460869.270561 18.9 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-07-16 17:47:59 - 2025-07-16 17:47:59 2460873.241647 - 2460873.241647 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502985 2025-07-16 17:47:59 2460873.241647 19.37 0.15 ABMag L-GOTO GOTO-S_GOTO-3 360
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-16 10:37:58 - 2025-07-20 09:38:17 2460872.94303 - 2460876.90159 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
503751 2025-07-20 09:38:17 2460876.90159 18.501 0.132 19.03 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
503750 2025-07-16 10:37:58 2460872.94303 18.41 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
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
263114 2025-07-20 19:17:51 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 04:31:40.710 -54:55:35.74 2025-07-20 09:38:17.376 18.501 orange-ATLAS PSN ATLAS25hym ATLAS N
262747 2025-07-16 18:42:39 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 04:31:40.730 -54:55:35.50 2025-07-16 17:47:58.560 19.37 L-GOTO Other GOTO25eyv 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
21826 2025-08-19 10:51:09 Liana Rauf L. Rauf (ANU), B. P. Schmidt (ANU), K. Auchettl (University of Melbourne/UCSC), P. Armstrong (ANU), D. Cao (ANU), C. Lidman (ANU), B. Martin (ANU), J. Shi (University of Melbourne), and B. E. Tucker (ANU) None SN Ia 0.05502 1 Fit with superfit 2025TNSCR3283....1R
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
21826 2025-08-12 00:00:00 ANU-2.3m / WiFeS B. P. Schmidt (ANU) L. Rauf (ANU) None tns_2025rhg_2025-08-12_ANU-2.3m_WiFeS_None.dat tns_2025rhg_2025-08-12_ANU-2.3m_WiFeS_None.fits Host Fit with Marz template

Comments

TNS
System

Sun, 07/20/2025 - 19:17

Object coordinates updated

Object coordinates updated according to AT-report 263114 of Group ATLAS
Previous RA, DEC: 04:31:40.730, -54:55:35.50 (67.919708, -54.926529)
Updated RA, DEC: 04:31:40.710, -54:55:35.74 (67.9196242857, -54.9265957143)