RA/DEC (2000)
04:30:50.769 -05:47:50.49
67.7115393756 -5.79735873683
Type
SN II
Redshift
0.014443
Discovery ReportClassification Report
Reporting Group
BlackGEM
Discovering Data Source
BlackGEM
Discovery Date
2025-07-22 09:59:21.000
TNS AT
Y
Public
Y
Discovery Mag
17.96
Filter
BG-q-BlackGem
Reporter/s
H. Tranin, F. Stoppa, D. Pieterse, G. Ramsay, S. Faris, P. Groot, P. Vreeswijk, N. Blagorodnova, J. van Roestel, H. Wichern, S. Scaringi
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025sbs - 2025-08-17 11:33:53 P60 / SEDM (ZTF)z=
 ▌SN_2025sbs - 2025-08-10 00:00:00 LT / SPRAT (TCD)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
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_i
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
21819 2025-08-17 11:33:53 P60 / SEDM 2160 SEDmRobot ZTF tns_2025sbs_2025-08-17_11-33-53.242746_P60_SEDM_ZTF.ascii Object
21743 2025-08-10 00:00:00 LT / SPRAT 1200 Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Br Cillian O'Donnell TCD tns_2025sbs_2025-08-10_LT_SPRAT_TCD.text Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-08-12 19:29:37 - 2025-08-12 19:29:37 2460900.312232 - 2460900.312232 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508312 2025-08-12 19:29:37 2460900.312232 18.18 0.06 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-2 2025-02-27 21:26:51 - 2025-02-27 21:26:51 2460734.393647 - 2460734.393647 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508311 2025-02-27 21:26:51 2460734.393647 19.2 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
i-P1 PS2_GPC2 2025-09-08 13:46:50 - 2025-09-08 13:46:50 2460927.07419 - 2460927.07419 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517281 2025-09-08 13:46:50 2460927.07419 17.88 0.02 20.7 ABMag i-P1 PS2_GPC2 45 Robot
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-07-23 10:23:31 - 2025-07-23 10:23:31 2460879.933 - 2460879.933 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505902 2025-07-23 10:23:31 2460879.933 19.13 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-07-29 03:54:27 - 2025-07-29 03:54:27 2460885.66281 - 2460885.66281 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505903 2025-07-29 03:54:27 2460885.66281 17.708 0.073 18.88 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-07-22 09:59:21 - 2025-07-22 09:59:21 2460878.9162153 - 2460878.9162153 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504762 2025-07-22 09:59:21 2460878.9162153 17.96 0.04 20.81 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-02-04 01:06:18 - 2025-02-04 01:06:18 2460710.5460417 - 2460710.5460417 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504761 2025-02-04 01:06:18 2460710.5460417 20.54 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-08-13 10:58:00 - 2025-08-13 10:58:00 2460900.9569444 - 2460900.9569444 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508484 2025-08-13 10:58:00 2460900.9569444 17.8081 0.0648901 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-08-13 11:34:00 - 2025-08-13 11:34:00 2460900.9819444 - 2460900.9819444 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
508485 2025-08-13 11:34:00 2460900.9819444 18.7075 0.124276 ABMag g-ZTF P48_ZTF-Cam
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
270107 2025-09-14 23:40:38 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 04:30:50.769 -05:47:50.49 2025-09-08 13:46:50.016 17.88 i-P1 PSN PS25hmi Pan-STARRS N
265670 2025-08-13 11:41:48 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 04:30:50.773 -05:47:50.46 2025-08-13 10:57:59.996 17.8081 r-ZTF PSN ZTF25abikqkb ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
265587 2025-08-12 21:26:28 GOTO_bot B. Godson, D. O'Neill, K. Ackley et al. GOTO GOTO 04:30:50.760 -05:47:50.31 2025-08-12 19:29:36.672 18.18 L-GOTO Other GOTO25ftg GOTO N
264227 2025-07-29 12:29:01 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 04:30:50.783 -05:47:50.09 2025-07-29 03:54:26.784 17.708 orange-ATLAS PSN ATLAS25ikv ATLAS N
263649 2025-07-25 08:04:03 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 04:30:50.765 -05:47:50.19 2025-07-22 09:59:21.000 17.96 BG-q-BlackGem 1 PSN BGEM J043050.76-054750.1 BlackGEM 2025TNSTR2887....1T N
Related files
File Comments Last Modified (UT) Modified By
tns_2025sbs_atrep_263649_BlackGEM.pdf Finding Chart 2025-07-25 08:04:06 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
21819 2025-08-18 19:34:04 ZTF_Bot1 J. Sollerman, K. Das, A. Mehla, M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN II 0.014443 1 ZTF 2025TNSCR3270....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
21819 2025-08-17 11:33:53 P60 / SEDM 2160 SEDmRobot ZTF tns_2025sbs_2025-08-17_11-33-53.242746_P60_SEDM_ZTF.ascii Object
21743 2025-08-10 19:37:30 Cillian O'Donnell Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Bravo TCD SN IIP 0.017 1 TCD snid classification, redshift aligns with observed H-alpha 2025TNSCR3140....1O
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
21743 2025-08-10 00:00:00 LT / SPRAT 1200 Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Br Cillian O'Donnell TCD tns_2025sbs_2025-08-10_LT_SPRAT_TCD.text Object

Comments

TNS
System

Sun, 09/14/2025 - 23:40

Object coordinates updated

Object coordinates updated according to AT-report 270107 of Group Pan-STARRS
Previous RA, DEC: 04:30:50.765, -05:47:50.19 (67.711521, -5.797275)
Updated RA, DEC: 04:30:50.769, -05:47:50.49 (67.7115393756, -5.79735873683)