RA/DEC (2000)
07:45:51.080 +18:27:53.61
116.462833 +18.464892
Type
SN Ia
Redshift
0.052
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-10-19 03:48:29.088
TNS AT
Y
Public
Y
Discovery Mag
17.92
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_2025aawo - 2025-10-25 02:38:58 NOT / ALFOSC (None)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

 ▌WFST_WFST-WFC_g
 ▌GOTO-N_GOTO-2_L
 ▌GOTO-N_GOTO-1_L
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
22287 2025-10-25 02:38:58 NOT / ALFOSC 900 Suman Sahu, Wili Sirén, Essi Björkqvist, Venla Kangas None tns_2025aawo_2025-10-25_02-38-58_NOT_ALFOSC_None.ascii tns_2025aawo_2025-10-25_02-38-58_NOT_ALFOSC_None.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-WFST WFST_WFST-WFC 2025-10-18 22:37:55 - 2025-10-18 22:37:55 2460967.443 - 2460967.443 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
567913 2025-10-18 22:37:55 2460967.443 17.81 0.01 ABMag g-WFST WFST_WFST-WFC 30
L-GOTO GOTO-N_GOTO-2 2025-10-11 04:19:31 - 2025-10-11 04:19:31 2460959.680222 - 2460959.680222 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524822 2025-10-11 04:19:31 2460959.680222 19.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-10-19 03:48:29 - 2025-10-19 03:48:29 2460967.658674 - 2460967.658674 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524823 2025-10-19 03:48:29 2460967.658674 17.92 0.04 ABMag L-GOTO GOTO-N_GOTO-1 180
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-11-30 11:58:37 - 2025-11-30 11:58:37 2461009.99904 - 2461009.99904 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535654 2025-11-30 11:58:37 2461009.99904 18.617 0.113 19.25 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-11-29 12:15:37 - 2025-11-29 12:15:37 2461009.01084 - 2461009.01084 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
535653 2025-11-29 12:15:37 2461009.01084 19.4 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 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
296182 2026-03-20 10:31:55 WFST_SN Zelin Xu, Dezheng Meng, Ji-an Jiang et al. WFST WFST 07:45:51.080 +18:27:53.61 2025-10-18 22:37:55.200 17.81 g-WFST PSN WFST251018ewsxr WFST N
279173 2025-12-01 21:41:26 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 07:45:51.065 +18:27:54.34 2025-11-30 11:58:37.056 18.617 orange-ATLAS PSN ATLAS25pfw ATLAS N
273880 2025-10-19 10:29:05 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 07:45:51.061 +18:27:53.56 2025-10-19 03:48:29.088 17.92 L-GOTO Other GOTO25irh GOTO 2025TNSTR4184....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
22287 2025-10-25 11:40:08 Christina Humina Suman Sahu, Wili Sirén, Essi Björkqvist, Venla Kangas, Christina Humina, Erkki Kankare, Tuomas Kangas (University of Turku), Niko Pyykkinen (NOT) None SN Ia 0.052 1 Classification was done using SNID (Blondin & Tonry 2007 2007ApJ...666.1024B) as part of a remote observing course at the University of Turku. AT 2025aawo is well reproduced by a SN Ia spectrum around peak. Redshift from spectral match. 2025TNSCR4290....1S
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
22287 2025-10-25 02:38:58 NOT / ALFOSC 900 Suman Sahu, Wili Sirén, Essi Björkqvist, Venla Kangas None tns_2025aawo_2025-10-25_02-38-58_NOT_ALFOSC_None.ascii tns_2025aawo_2025-10-25_02-38-58_NOT_ALFOSC_None.fits Object

Comments

TNS
System

Fri, 03/20/2026 - 10:31

Object coordinates updated

Object coordinates updated according to AT-report 296182 of Group WFST
Previous RA, DEC: 07:45:51.065, +18:27:54.34 (116.4627725, +18.465095)
Updated RA, DEC: 07:45:51.080, +18:27:53.61 (116.462833, +18.464892)

TNS
System

Mon, 12/01/2025 - 21:41

Object coordinates updated

Object coordinates updated according to AT-report 279173 of Group ATLAS
Previous RA, DEC: 07:45:51.061, +18:27:53.56 (116.462753, +18.464878)
Updated RA, DEC: 07:45:51.065, +18:27:54.34 (116.4627725, +18.465095)