RA/DEC (2000)
23:28:40.130 +19:40:18.52
352.167209509 +19.671811665
Type
SN Ia
Redshift
0.039
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-09-13 21:39:26.496
TNS AT
Y
Public
Y
Discovery Mag
19.31
Filter
L-GOTO
Reporter/s
G. Ramsay, D. O'Neill, 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, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025xkj - 2025-09-20 19:51:15 Ekar / AFOSC (Padova-Asiago)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

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌GOTO-N_GOTO-2_L
 ▌PS1_GPC1_z
   
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
22059 2025-09-20 19:51:15 Ekar / AFOSC 1800 A. Reguitti, L. Giuliani, M. Maglione, A. Fabris A. Reguitti Padova-Asiago tns_2025xkj_2025-09-20_19-51-15_Ekar_AFOSC_Padova-Asiago.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-09-14 04:02:37 - 2025-09-15 00:36:43 2460932.66848 - 2460933.5255 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517346 2025-09-15 00:36:43 2460933.5255 19.259 0.112 20.19 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot
517345 2025-09-14 04:02:37 2460932.66848 19.71 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-09-12 22:09:22 - 2025-09-13 21:39:26 2460931.423168 - 2460932.402388 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516885 2025-09-13 21:39:26 2460932.402388 19.31 0.17 ABMag L-GOTO GOTO-N_GOTO-2 180
516884 2025-09-12 22:09:22 2460931.423168 19.5 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
z-P1 PS1_GPC1 2025-10-30 04:39:05 - 2025-10-30 04:39:05 2460978.69381 - 2460978.69381 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
544212 2025-10-30 04:39:05 2460978.69381 18.38 0.08 20.4 ABMag z-P1 PS1_GPC1 120 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
283198 2025-12-28 20:33:32 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 23:28:40.130 +19:40:18.52 2025-10-30 04:39:05.184 18.38 z-P1 PSN PS25jmj Pan-STARRS N
270147 2025-09-15 07:45:43 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 23:28:40.119 +19:40:18.65 2025-09-15 00:36:43.200 19.259 wide-ATLAS PSN ATLAS25ljg ATLAS N
269917 2025-09-14 09:49:06 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 23:28:40.156 +19:40:18.79 2025-09-13 21:39:26.496 19.31 L-GOTO Other GOTO25gzz GOTO 2025TNSTR3688....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22059 2025-09-20 21:15:29 Andrea Reguitti Linda Giuliani (UniPd/AIP), Mariasole Maglione (UniPd), Alessandro Fabris (Liceo Tron-Zanella-Martini), Andrea Reguitti (INAF-OAPd) Padova-Asiago SN Ia 0.039 1 Padova-Asiago Normal SN Ia. 2025TNSCR3786....1G
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
22059 2025-09-20 19:51:15 Ekar / AFOSC 1800 A. Reguitti, L. Giuliani, M. Maglione, A. Fabris A. Reguitti Padova-Asiago tns_2025xkj_2025-09-20_19-51-15_Ekar_AFOSC_Padova-Asiago.dat Object

Comments

TNS
System

Sun, 12/28/2025 - 20:33

Object coordinates updated

Object coordinates updated according to AT-report 283198 of Group Pan-STARRS
Previous RA, DEC: 23:28:40.119, +19:40:18.65 (352.167162, +19.671846)
Updated RA, DEC: 23:28:40.130, +19:40:18.52 (352.167209509, +19.671811665)

TNS
System

Mon, 09/15/2025 - 07:45

Object coordinates updated

Object coordinates updated according to AT-report 270147 of Group ATLAS
Previous RA, DEC: 23:28:40.156, +19:40:18.79 (352.167316, +19.671885)
Updated RA, DEC: 23:28:40.119, +19:40:18.65 (352.167162, +19.671846)