RA/DEC (2000)
12:23:57.243 +08:45:47.63
185.988511594 +8.76322965467
Type
SN II
Redshift
0.0732
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-04-14 11:22:12.864
TNS AT
Y
Public
Y
Discovery Mag
18.78
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_2025hlf - 2025-05-19 05:44:12 Lick-3m / KAST (UCSC)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-3_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_i
 ▌PS1_GPC1_w
   
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
21166 2025-05-19 05:44:12 Lick-3m / KAST 1200 Arunachalam UCSC tns_2025hlf_2025-05-19_05-44-12.16_Lick-3m_KAST_UCSC.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-04-14 11:22:13 - 2025-04-14 11:22:13 2460779.973755 - 2460779.973755 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482253 2025-04-14 11:22:13 2460779.973755 18.78 0.19 ABMag L-GOTO GOTO-S_GOTO-3 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-04-14 05:13:49 - 2025-04-14 05:13:49 2460779.71793 - 2460779.71793 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482266 2025-04-14 05:13:49 2460779.71793 17.93 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-04-13 21:14:37 - 2025-04-13 21:14:37 2460779.385149 - 2460779.385149 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482252 2025-04-13 21:14:37 2460779.385149 18 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-04-25 07:26:47 - 2025-04-25 07:26:47 2460790.8102662 - 2460790.8102662 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494536 2025-04-25 07:26:47 2460790.8102662 18.4944 0.0231627 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-04-24 07:07:15 - 2025-06-12 04:28:37 2460789.7967014 - 2460838.6865394 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494537 2025-06-12 04:28:37 2460838.6865394 19.661 0.170134 ABMag g-ZTF P48_ZTF-Cam
494535 2025-04-24 07:07:15 2460789.7967014 20.7187 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-04-15 10:16:39 - 2025-04-15 10:16:39 2460780.92823 - 2460780.92823 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482267 2025-04-15 10:16:39 2460780.92823 18.514 0.154 18.83 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
i-P1 PS1_GPC1 2025-04-15 10:54:40 - 2025-04-15 10:54:40 2460780.95463 - 2460780.95463 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482551 2025-04-15 10:54:40 2460780.95463 18.8 0.08 20.7 ABMag i-P1 PS1_GPC1 27 Robot
w-P1 PS1_GPC1 2025-04-23 06:40:51 - 2025-04-23 06:40:51 2460788.77837 - 2460788.77837 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487071 2025-04-23 06:40:51 2460788.77837 18.51 0.03 22 ABMag w-P1 PS1_GPC1 45 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
258176 2025-06-12 04:45:03 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 12:23:57.268 +08:45:47.17 2025-04-25 07:26:46.999 18.4944 r-ZTF PSN ZTF25aaqlevn ZTF N
254364 2025-05-07 10:54:34 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 12:23:57.243 +08:45:47.63 2025-04-23 06:40:51.168 18.51 w-P1 PSN PS25bky Pan-STARRS N
251843 2025-04-18 17:05:11 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 12:23:57.245 +08:45:47.58 2025-04-15 10:54:40.032 18.8 i-P1 PSN PS25bky Pan-STARRS N
251712 2025-04-16 00:25:46 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:23:57.251 +08:45:47.96 2025-04-15 10:16:39.072 18.514 orange-ATLAS PSN ATLAS25dwi ATLAS N
251705 2025-04-15 22:04:46 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 12:23:57.254 +08:45:47.89 2025-04-14 11:22:12.864 18.78 L-GOTO Other GOTO25bvh GOTO 2025TNSTR1390....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
21166 2025-05-27 21:56:49 Prasiddha Arunachalam Prasiddha Arunachalam UCSC SN II 0.0732 1 1 UCSC 2025TNSCR1991....1A
Related files
File Comments Last Modified (UT) Modified By
tns_2025hlf_atrep_21166_UCSC.flm 2025-05-27 21:56:49 Prasiddha Arunachalam
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
21166 2025-05-19 05:44:12 Lick-3m / KAST 1200 Arunachalam UCSC tns_2025hlf_2025-05-19_05-44-12.16_Lick-3m_KAST_UCSC.flm Object

Comments

TNS
System

Wed, 05/07/2025 - 10:54

Object coordinates updated

Object coordinates updated according to AT-report 254364 of Group Pan-STARRS
Previous RA, DEC: 12:23:57.245, +08:45:47.58 (185.988521552, +8.76321722461)
Updated RA, DEC: 12:23:57.243, +08:45:47.63 (185.988511594, +8.76322965467)

TNS
System

Fri, 04/18/2025 - 17:05

Object coordinates updated

Object coordinates updated according to AT-report 251843 of Group Pan-STARRS
Previous RA, DEC: 12:23:57.251, +08:45:47.96 (185.9885475, +8.7633225)
Updated RA, DEC: 12:23:57.245, +08:45:47.58 (185.988521552, +8.76321722461)

TNS
System

Wed, 04/16/2025 - 00:25

Object coordinates updated

Object coordinates updated according to AT-report 251712 of Group ATLAS
Previous RA, DEC: 12:23:57.254, +08:45:47.89 (185.988558, +8.763304)
Updated RA, DEC: 12:23:57.251, +08:45:47.96 (185.9885475, +8.7633225)