RA/DEC (2000)
12:50:18.234 -06:17:39.75
192.575975 -6.294375
Type
SN Ia
Redshift
0.1
Discovery ReportClassification Report
Related AstroNotes: 2025-246
Reporting Group
BlackGEM
Discovering Data Source
BlackGEM
Discovery Date
2025-07-08 23:25:26.000
TNS AT
Y
Public
Y
Discovery Mag
18.81
Filter
BG-q-BlackGem
Reporter/s
G. Ramsay, H. Tranin, F. Stoppa, D. Pieterse, S. Faris, P. Groot, P. Vreeswijk, N. Blagorodnova, J. van Roestel, H. Wichern, S. Scaringi
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025qqh - 2025-07-30 21:14:29 NOT / ALFOSC (BlackGEM)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

 ▌ATLAS-STH_ATLAS-03_orange
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌ATLAS-MLO_ATLAS-01_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
21715 2025-07-30 21:14:29 NOT / ALFOSC 1200 Marco Antonio Gomez Muñoz Gerard Garcia Moreno BlackGEM tns_2025qqh_2025-07-30_21-14-29_NOT_ALFOSC_BlackGEM.txt Object Reduced using pypeit
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-STH_ATLAS-03 2025-07-12 18:25:05 - 2025-07-12 18:25:05 2460869.26742 - 2460869.26742 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502755 2025-07-12 18:25:05 2460869.26742 18.38 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-06-23 23:32:25 - 2025-06-23 23:32:25 2460850.4808449 - 2460850.4808449 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
501507 2025-06-23 23:32:25 2460850.4808449 20.67 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-07-08 23:25:26 - 2025-07-08 23:25:26 2460865.4759954 - 2460865.4759954 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
501508 2025-07-08 23:25:26 2460865.4759954 18.81 0.09 20.08 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-07-14 06:44:07 - 2025-07-14 06:44:07 2460870.78064 - 2460870.78064 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
502756 2025-07-14 06:44:07 2460870.78064 18.627 0.12 19.31 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 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
262625 2025-07-15 09:41:58 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:50:18.259 -06:17:39.56 2025-07-14 06:44:07.296 18.627 orange-ATLAS PSN ATLAS25hqb ATLAS N
261879 2025-07-09 06:42:03 BlackGEM_Bot1 G. Ramsay,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 12:50:18.234 -06:17:39.75 2025-07-08 23:25:26.000 18.81 BG-q-BlackGem 1 PSN BGEM J125018.23-061739.7 BlackGEM 2025TNSTR2626....1R N
Related files
File Comments Last Modified (UT) Modified By
tns_2025qqh_atrep_261879_BlackGEM.pdf Finding Chart 2025-07-09 06:42:05 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
21715 2025-08-08 06:49:07 Hugo Tranin Hugo Tranin BlackGEM SN Ia 0.1 1 1 BlackGEM, CET-3PO Classified with SNID SAGE as SN Ia-norm, with high confidence. RLAP=8.5 Redshift: 0.101 ± 0.001 Age: 7 ± 4 days 2025TNSCR3115....1T
Related files
File Comments Last Modified (UT) Modified By
tns_2025qqh_atrep_21715_BlackGEM.JPG 2025-08-08 06:49:07 Hugo Tranin
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
21715 2025-07-30 21:14:29 NOT / ALFOSC 1200 Marco Antonio Gomez Muñoz Gerard Garcia Moreno BlackGEM tns_2025qqh_2025-07-30_21-14-29_NOT_ALFOSC_BlackGEM.txt Object Reduced using pypeit

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