RA/DEC (2000)
21:12:43.047 -23:08:53.15
318.179363073 -23.1480964353
Type
SN Ic
Redshift
0.037162
Discovery ReportClassification Report
Reporting Group
BlackGEM
Discovering Data Source
BlackGEM
Discovery Date
2025-06-19 07:37:28.000
TNS AT
Y
Public
Y
Discovery Mag
18.97
Filter
BG-q-BlackGem
Reporter/s
F. Stoppa, H. Tranin, D. Pieterse, G. Ramsay, S. Faris, P. Groot, P. Vreeswijk, N. Blagorodnova, J. van Roestel, H. Wichern, S. Scaringi
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025obf - 2025-06-27 10:13:46 P60 / SEDM (ZTF)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-N_GOTO-2_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_cyan
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
21416 2025-06-27 10:13:46 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025obf_2025-06-27_10-13-46.302710_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-06-21 13:36:52 - 2025-06-21 13:36:52 2460848.067268 - 2460848.067268 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498814 2025-06-21 13:36:52 2460848.067268 19.03 0.1 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-N_GOTO-2 2025-06-08 03:37:24 - 2025-06-08 03:37:24 2460834.650973 - 2460834.650973 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498813 2025-06-08 03:37:24 2460834.650973 19.1 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-06-27 08:06:21 - 2025-06-27 08:06:21 2460853.83774 - 2460853.83774 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
499091 2025-06-27 08:06:21 2460853.83774 18.762 0.151 19.25 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-06-25 04:33:34 - 2025-06-25 04:33:34 2460851.68998 - 2460851.68998 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
499090 2025-06-25 04:33:34 2460851.68998 18.99 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-06-11 08:27:26 - 2025-06-11 08:27:26 2460837.8523843 - 2460837.8523843 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496414 2025-06-11 08:27:26 2460837.8523843 19.58 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-06-19 07:37:28 - 2025-06-19 07:37:28 2460845.8176852 - 2460845.8176852 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496415 2025-06-19 07:37:28 2460845.8176852 18.97 0.1 20.14 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
r-ZTF P48_ZTF-Cam 2025-06-20 09:06:47 - 2025-06-20 09:06:47 2460846.8797106 - 2460846.8797106 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496667 2025-06-20 09:06:47 2460846.8797106 18.8718 0.104 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-06-18 10:07:07 - 2025-06-18 10:07:07 2460844.9216088 - 2460844.9216088 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
496666 2025-06-18 10:07:07 2460844.9216088 19.605 0.158569 ABMag g-ZTF P48_ZTF-Cam
w-P1 PS1_GPC1 2025-06-22 13:31:07 - 2025-06-22 13:31:07 2460849.06328 - 2460849.06328 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
498361 2025-06-22 13:31:07 2460849.06328 18.97 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
260444 2025-06-28 17:45:50 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:12:43.069 -23:08:53.08 2025-06-27 08:06:20.736 18.762 orange-ATLAS PSN ATLAS25goo ATLAS N
260312 2025-06-27 16:26:18 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 21:12:43.057 -23:08:53.25 2025-06-21 13:36:52.128 19.03 L-GOTO Other GOTO25dyc GOTO N
260104 2025-06-26 07:39:04 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 21:12:43.047 -23:08:53.15 2025-06-22 13:31:07.392 18.97 w-P1 PSN PS25dpy Pan-STARRS N
259276 2025-06-20 09:35:34 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 21:12:43.051 -23:08:53.05 2025-06-18 10:07:07.000 19.605 g-ZTF PSN ZTF25aavxepu ZTF N
259162 2025-06-19 16:52:02 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 21:12:43.028 -23:08:53.32 2025-06-19 07:37:28.000 18.97 BG-q-BlackGem 1 PSN BGEM J211243.02-230853.3 BlackGEM 2025TNSTR2286....1S N
Related files
File Comments Last Modified (UT) Modified By
tns_2025obf_atrep_259162_BlackGEM.pdf Finding Chart 2025-06-19 16:52:04 BlackGEM_Bot1
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21416 2025-06-27 11:10:05 ZTF_Bot1 J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ic 0.037162 1 ZTF 2025TNSCR2444....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
21416 2025-06-27 10:13:46 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025obf_2025-06-27_10-13-46.302710_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Thu, 06/26/2025 - 07:39

Object coordinates updated

Object coordinates updated according to AT-report 260104 of Group Pan-STARRS
Previous RA, DEC: 21:12:43.028, -23:08:53.32 (318.179283, -23.148144)
Updated RA, DEC: 21:12:43.047, -23:08:53.15 (318.179363073, -23.1480964353)