RA/DEC (2000)
03:05:58.663 -54:09:06.62
46.494429 -54.151839
Type
SN Ia
Redshift
0.089
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-11-12 16:21:10.368
TNS AT
Y
Public
Y
Discovery Mag
19.44
Filter
L-GOTO
Reporter/s
T. Killestein, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, A. Kumar, D. O'Neill, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025adcv - 2025-11-14 00:00:00 SALT / RSS (GW-MMADS)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-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_orange
 ▌BG4_BlackGEM-Cam4_BG-q
   
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
22413 2025-11-14 00:00:00 SALT / RSS SALT Observer Tomas Cabrera GW-MMADS tns_2025adcv_2025-11-14_SALT_RSS_GW-MMADS.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-10-22 13:18:40 - 2025-10-22 13:18:40 2460971.054635 - 2460971.054635 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
530643 2025-10-22 13:18:40 2460971.054635 20 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-11-12 16:21:10 - 2025-11-12 16:21:10 2460992.181369 - 2460992.181369 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
530644 2025-11-12 16:21:10 2460992.181369 19.44 0.12 ABMag L-GOTO GOTO-S_GOTO-3 240
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-11-12 07:02:09 - 2025-11-12 07:02:09 2460991.79316 - 2460991.79316 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
530809 2025-11-12 07:02:09 2460991.79316 19.14 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-11-13 01:45:58 - 2025-11-13 01:45:58 2460992.57359 - 2460992.57359 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
530810 2025-11-13 01:45:58 2460992.57359 19.585 0.154 19.98 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 110 Robot
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-01-24 01:05:35 - 2025-11-13 04:03:42 2460699.545544 - 2460992.6692361 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
530792 2025-11-13 04:03:42 2460992.6692361 19.34 0.11 21.1 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
530791 2025-01-24 01:05:35 2460699.545544 21.27 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [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
276632 2025-11-13 10:49:42 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 03:05:58.666 -54:09:06.88 2025-11-13 01:45:58.176 19.585 orange-ATLAS PSN ATLAS25ofe ATLAS N
276623 2025-11-13 08:38:02 BlackGEM_Bot1 G. Ramsay, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 03:05:58.663 -54:09:06.62 2025-11-13 04:03:42.000 19.34 BG-q-BlackGem 1 PSN BGEM J030558.66-540906.6 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025adcv_atrep_276623.pdf 2025-11-13 09:23:24 BlackGEM_Bot1
276498 2025-11-12 16:54:50 GOTO_bot T. Killestein, K. Ackley, M. Dyer et al. GOTO GOTO 03:05:58.599 -54:09:06.60 2025-11-12 16:21:10.368 19.44 L-GOTO Other GOTO25jya GOTO 2025TNSTR4541....1K N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22412 2025-11-14 20:24:26 Xander Hall Xander J. Hall (CMU), Tomás Cabrera (CMU), Lei Hu (CMU), Antonella Palmese (CMU), Igor Andreoni (UNC), Keerthi Kunnumkai (CMU), Brendan O’Connor (CMU), on behalf of the Gravitational Wave MultiMessenger Astronomy DECam Survey (GW-MMADS) team GW-MMADS SN Ia 0.089 1 1 GW-MMADS NGSF best match is to Ia-99aa-like 1999aa. 2025TNSCR4585....1H
Related files
File Comments Last Modified (UT) Modified By
tns_2025adcv_atrep_22412_GW-MMADS.png 2025-11-14 20:24:26 Xander Hall
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
22413 2025-11-14 00:00:00 SALT / RSS SALT Observer Tomas Cabrera GW-MMADS tns_2025adcv_2025-11-14_SALT_RSS_GW-MMADS.txt Object

Comments

TNS
System

Thu, 11/13/2025 - 08:38

Object coordinates updated

Object coordinates updated according to AT-report 276623 of Group BlackGEM
Previous RA, DEC: 03:05:58.599, -54:09:06.60 (46.494161, -54.151832)
Updated RA, DEC: 03:05:58.663, -54:09:06.62 (46.494429, -54.151839)