RA/DEC (2000)
12:08:13.940 -15:43:01.49
182.0580848 -15.7170801
Type
SN II
Redshift
0.017
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-07-13 08:17:57.120
TNS AT
Y
Public
Y
Discovery Mag
17.77
Filter
L-GOTO
Reporter/s
D. O'Neill, G. Ramsay, 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_2025rao - 2025-07-15 01:03:39 Magellan-Clay / LDSS-3 (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

 ▌GOTO-S_GOTO-4_L
 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌P48_ZTF-Cam_r
 ▌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
21534 2025-07-15 01:03:39 Magellan-Clay / LDSS-3 E. Hueichapan R. Cartier/J. L. Prieto None tns_2025rao_2025-07-15_01-03-39_Magellan-Clay_LDSS-3_None.txt Object Redshift from host galaxy narrow lines, which is coincident with the host galaxy redshift from NED.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-07-13 08:17:57 - 2025-07-13 08:17:57 2460869.845797 - 2460869.845797 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502345 2025-07-13 08:17:57 2460869.845797 17.77 0.04 ABMag L-GOTO GOTO-S_GOTO-4 360
L-GOTO GOTO-S_GOTO-3 2025-07-06 10:10:54 - 2025-07-06 10:10:54 2460862.924237 - 2460862.924237 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502344 2025-07-06 10:10:54 2460862.924237 18.8 ABMag L-GOTO GOTO-S_GOTO-3 270 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-13 00:49:22 - 2025-07-13 00:49:22 2460869.53428 - 2460869.53428 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502696 2025-07-13 00:49:22 2460869.53428 17.993 0.137 18.57 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
r-ZTF P48_ZTF-Cam 2025-11-24 13:14:27 - 2025-11-25 13:19:52 2461004.0517014 - 2461005.055463 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
533702 2025-11-25 13:19:52 2461005.055463 19.8469 0.20418 ABMag r-ZTF P48_ZTF-Cam
533701 2025-11-24 13:20:16 2461004.0557407 19.9479 0.193223 ABMag r-ZTF P48_ZTF-Cam
533700 2025-11-24 13:14:27 2461004.0517014 19.847 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-07-11 06:25:21 - 2025-07-11 06:25:21 2460867.7676 - 2460867.7676 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502695 2025-07-11 06:25:21 2460867.7676 18.23 ABMag orange-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
278221 2025-11-25 14:24:55 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 12:08:13.940 -15:43:01.49 2025-11-24 13:20:15.996 19.9479 r-ZTF PSN ZTF25aceqsad ZTF N
262595 2025-07-15 07:59:02 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:08:13.912 -15:43:01.88 2025-07-13 00:49:21.792 17.993 orange-ATLAS PSN ATLAS25hpn ATLAS N
262402 2025-07-13 12:36:14 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 12:08:13.954 -15:43:01.49 2025-07-13 08:17:57.120 17.77 L-GOTO Other GOTO25euc GOTO 2025TNSTR2675....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
21534 2025-07-16 16:34:19 Regis Cartier E. Hueichapan (UDP), R. Cartier (CITEVA), J. L. Prieto (UDP) None SN II 0.017 1 1 2025TNSCR2735....1H
Related files
File Comments Last Modified (UT) Modified By
tns_2025rao_atrep_21534.ps 2025-07-16 16:34:19 Regis Cartier
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
21534 2025-07-15 01:03:39 Magellan-Clay / LDSS-3 E. Hueichapan R. Cartier/J. L. Prieto None tns_2025rao_2025-07-15_01-03-39_Magellan-Clay_LDSS-3_None.txt Object Redshift from host galaxy narrow lines, which is coincident with the host galaxy redshift from NED.

Comments

TNS
System

Tue, 11/25/2025 - 14:24

Object coordinates updated

Object coordinates updated according to AT-report 278221 of Group ZTF
Previous RA, DEC: 12:08:13.912, -15:43:01.88 (182.0579675, -15.7171875)
Updated RA, DEC: 12:08:13.940, -15:43:01.49 (182.0580848, -15.7170801)

TNS
System

Tue, 07/15/2025 - 07:59

Object coordinates updated

Object coordinates updated according to AT-report 262595 of Group ATLAS
Previous RA, DEC: 12:08:13.954, -15:43:01.49 (182.058141, -15.71708)
Updated RA, DEC: 12:08:13.912, -15:43:01.88 (182.0579675, -15.7171875)