RA/DEC (2000)
02:32:47.593 +00:40:41.52
38.198304 +0.6782
Type
SN IIP
Redshift
0.023
Discovery ReportClassification Report
Related AstroNotes: 2025-246
Reporting Group
BlackGEM
Discovering Data Source
BlackGEM
Discovery Date
2025-06-09 10:35:45.000
TNS AT
Y
Public
Y
Discovery Mag
16.43
Filter
BG-q-BlackGem
Reporter/s
J. A. Paice, 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_2025qdv - 2025-07-31 04:41:42 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-CHL_ATLAS-04_orange
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌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
21723 2025-07-31 04:41:42 NOT / ALFOSC 900 Marco Antonio Gomez Muñoz Gerard Garcia Moreno BlackGEM tns_2025qdv_2025-07-31_04-41-42_NOT_ALFOSC_BlackGEM.txt Object Reduced using pypeit
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-03 09:53:59 - 2025-07-03 09:53:59 2460859.91249 - 2460859.91249 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516321 2025-07-03 09:53:59 2460859.91249 16.99 0.048 18.88 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-01-29 00:50:18 - 2025-06-09 10:35:45 2460704.5349306 - 2460835.9414931 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500508 2025-06-09 10:35:45 2460835.9414931 16.43 0.06 17.94 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
500507 2025-01-29 00:50:18 2460704.5349306 20.5 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-02-18 06:06:42 - 2025-02-18 06:06:42 2460724.75465 - 2460724.75465 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
516320 2025-02-18 06:06:42 2460724.75465 19.29 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
269631 2025-09-10 19:57:53 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 02:32:47.577 +00:40:41.37 2025-07-03 09:53:59.136 16.99 orange-ATLAS PSN ATLAS25ldz ATLAS N
261346 2025-07-03 09:03:03 BlackGEM_Bot1 J. A. Paice,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 02:32:47.593 +00:40:41.52 2025-06-09 10:35:45.000 16.43 BG-q-BlackGem 1 PSN BGEM J023247.59+004041.5 BlackGEM 2025TNSTR2535....1P N
Related files
File Comments Last Modified (UT) Modified By
tns_2025qdv_atrep_261346_BlackGEM.pdf Finding Chart 2025-07-03 09:03:05 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
21723 2025-08-08 13:39:14 Hugo Tranin Hugo Tranin BlackGEM SN IIP 0.023 1 1 BlackGEM, CET-3PO Classified with SNID SAGE as SN IIP, with high confidence. RLAP=9.5 Redshift: 0.0023 ± 0.0002 2025TNSCR3115....1T
Related files
File Comments Last Modified (UT) Modified By
tns_2025qdv_atrep_21723_BlackGEM.jpg 2025-08-08 13:39:14 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
21723 2025-07-31 04:41:42 NOT / ALFOSC 900 Marco Antonio Gomez Muñoz Gerard Garcia Moreno BlackGEM tns_2025qdv_2025-07-31_04-41-42_NOT_ALFOSC_BlackGEM.txt Object Reduced using pypeit

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