RA/DEC (2000)
05:00:36.281 +00:38:50.29
75.15117 +0.6473032
Type
SN II
Redshift
0.1062
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-10-31 02:09:09.216
TNS AT
Y
Public
Y
Discovery Mag
19.98
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_2025accl - 2025-11-25 00:00:00 Lick-3m / KAST (TRex)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-2_L
 ▌ATLAS-STH_ATLAS-03_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_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
22513 2025-11-25 00:00:00 Lick-3m / KAST 3060 Natalie LeBaron, Savannah Cary Natalie LeBaron TRex tns_2025accl_2025-11-25_Lick-3m_KAST_TRex.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-10-31 02:09:09 - 2025-10-31 02:09:09 2460979.58969 - 2460979.58969 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528294 2025-10-31 02:09:09 2460979.58969 19.98 0.16 ABMag L-GOTO GOTO-N_GOTO-2 360
orange-ATLAS ATLAS-STH_ATLAS-03 2025-11-05 23:10:05 - 2025-11-05 23:10:05 2460985.46534 - 2460985.46534 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529672 2025-11-05 23:10:05 2460985.46534 17.72 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-10-27 02:08:30 - 2025-10-27 02:08:30 2460975.589245 - 2460975.589245 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528293 2025-10-27 02:08:30 2460975.589245 19.8 ABMag L-GOTO GOTO-N_GOTO-1 135 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-28 07:37:46 - 2025-10-28 07:37:46 2460976.8178935 - 2460976.8178935 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528326 2025-10-28 07:37:46 2460976.8178935 20.4069 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-10-29 09:29:33 - 2025-11-01 10:35:01 2460977.8955208 - 2460980.9409838 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528328 2025-11-01 10:35:01 2460980.9409838 19.1169 0.126141 ABMag g-ZTF P48_ZTF-Cam
528327 2025-10-29 09:29:33 2460977.8955208 20.4781 0.198478 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-11-08 11:30:52 - 2025-11-08 11:30:52 2460987.97977 - 2460987.97977 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529673 2025-11-08 11:30:52 2460987.97977 18.466 0.155 18.57 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 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
276049 2025-11-08 17:12:51 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 05:00:36.286 +00:38:50.09 2025-11-08 11:30:52.128 18.466 orange-ATLAS PSN ATLAS25nxv ATLAS N
275446 2025-11-01 13:08:57 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 05:00:36.281 +00:38:50.29 2025-10-29 09:29:32.997 20.4781 g-ZTF PSN ZTF25acblpes ZTF N
275430 2025-11-01 08:07:42 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 05:00:36.303 +00:38:50.45 2025-10-31 02:09:09.216 19.98 L-GOTO Other GOTO25jnd GOTO 2025TNSTR4394....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
22512 2025-12-04 00:24:17 Natalie LeBaron Natalie LeBaron TRex SN II 0.1062 1 TRex We observed SN2025accl on 11-25-2025 UT with the Kast spectrograph on the Shane telescope. We classify this transient as a SN II at 1 week from peak using SNID (Blondin & Tonry, 2007, ApJ, 666, 1024). We measure the redshift from the SN Halpha line. 2025TNSCR4839....1L
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
22513 2025-11-25 00:00:00 Lick-3m / KAST 3060 Natalie LeBaron, Savannah Cary Natalie LeBaron TRex tns_2025accl_2025-11-25_Lick-3m_KAST_TRex.dat Object

Comments

TNS
System

Sat, 11/01/2025 - 13:08

Object coordinates updated

Object coordinates updated according to AT-report 275446 of Group ZTF
Previous RA, DEC: 05:00:36.303, +00:38:50.45 (75.151261, +0.647346)
Updated RA, DEC: 05:00:36.281, +00:38:50.29 (75.15117, +0.6473032)