RA/DEC (2000)
23:56:27.713 -33:20:52.05
359.115471 -33.347792
Type
SN Ia
Redshift
0.154
Reporting Group
GW-MMADS
Discovering Data Source
GW-MMADS
Discovery Date
2025-11-14 01:47:30.624
TNS AT
Y
Public
Y
Discovery Mag
20.4951
Filter
g-Sloan
Reporter/s
Xander J. Hall (CMU), Tomás Cabrera (CMU), Lei Hu (CMU), Antonella Palmese (CMU), Igor Andreoni (UMD), Brendan O’Connor (CMU), Robert Stein (Caltech), Michael Coughlin (UMN), Theo Jegou Du Laz (Caltech), Keerthi Kunnumkai (CMU), on behalf of GW-MMADS

Spectra

 SN_2025adpq - 2025-11-24 02:49:51 Gemini-S / GMOS-S (GW-MMADS)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
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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
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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

 BG4_BlackGEM-Cam4_BG-q
 BG2_BlackGEM-Cam2_BG-q
 CTIO-4m_DECAM_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
23277 2025-11-24 02:49:51 Gemini-S / GMOS-S Gemini Observer Brendan O'Connor GW-MMADS tns_2025adpq_2025-11-24_02-49-51_Gemini-S_GMOS-S_GW-MMADS.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-11-13 00:59:01 - 2025-11-13 00:59:01 2460992.5409838 - 2460992.5409838 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587466 2025-11-13 00:59:01 2460992.5409838 20.48 0.13 21.04 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-10-30 04:14:23 - 2025-10-30 04:14:23 2460978.6766551 - 2460978.6766551 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587465 2025-10-30 04:14:23 2460978.6766551 19.75 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
g-Sloan CTIO-4m_DECAM 2025-11-14 01:47:31 - 2025-11-14 01:47:31 2460993.5746601 - 2460993.5746601 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
531312 2025-11-14 01:47:31 2460993.5746601 20.4951 0.0229953 ABMag g-Sloan CTIO-4m_DECAM
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
306297 2026-05-27 17:45:50 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 23:56:27.713 -33:20:52.05 2025-11-13 00:59:01.000 20.48 BG-q-BlackGem PSN BGEM J235627.71-332052.0 BlackGEM N
276949 2025-11-15 21:59:34 GW-MMADS_bot Xander J. Hall (CMU), Tomás Cabrera (CMU), Lei Hu (CMU) et al. GW-MMADS GW-MMADS 23:56:27.703 -33:20:51.88 2025-11-14 01:47:30.624 20.4951 g-Sloan PSN T202511142356277m332052 GW-MMADS 2025TNSTR4589....1H N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23276 2026-03-17 22:52:54 Xander Hall Xander J Hall (CMU) and Brendan O'Connor (CMU) on behalf of GW-MMADS GW-MMADS SN Ia 0.154 1 GW-MMADS 2026TNSCR1144....1H
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
23277 2025-11-24 02:49:51 Gemini-S / GMOS-S Gemini Observer Brendan O'Connor GW-MMADS tns_2025adpq_2025-11-24_02-49-51_Gemini-S_GMOS-S_GW-MMADS.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 306297 of Group BlackGEM
Previous RA, DEC: 23:56:27.703, -33:20:51.88 (359.11542720969, -33.347745279608)
Updated RA, DEC: 23:56:27.713, -33:20:52.05 (359.115471, -33.347792)