RA/DEC (2000)
12:09:05.626 +15:52:11.11
182.27344125 +15.8697523791
Type
SN Ic-BL
Redshift
0.07
Discovery ReportClassification Report
Related AstroNotes: 2025-101
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-02 13:33:54.144
TNS AT
Y
Public
Y
Discovery Mag
18.946
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ddc - 2025-03-26 23:35:20 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

 ▌GOTO-S_GOTO-4_L
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌BG4_BlackGEM-Cam4_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
20654 2025-03-26 23:35:20 NOT / ALFOSC 2000 David Jones Gerard Garcia Moreno BlackGEM tns_2025ddc_2025-03-26_23-35-20_NOT_ALFOSC_BlackGEM.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-03-01 14:09:51 - 2025-03-01 14:09:51 2460736.090166 - 2460736.090166 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480791 2025-03-01 14:09:51 2460736.090166 19.28 0.15 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-N_GOTO-2 2025-02-26 22:26:32 - 2025-02-26 22:26:32 2460733.435086 - 2460733.435086 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480790 2025-02-26 22:26:32 2460733.435086 18.5 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-03-08 09:30:40 - 2025-03-08 09:30:40 2460742.8963 - 2460742.8963 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484289 2025-03-08 09:30:40 2460742.8963 18.9 0.03 22 ABMag w-P1 PS2_GPC2 45 Robot
BG-q-BlackGem BG4_BlackGEM-Cam4 2024-06-30 23:45:14 - 2024-06-30 23:45:14 2460492.4897454 - 2460492.4897454 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473351 2024-06-30 23:45:14 2460492.4897454 20.72 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-02-25 05:18:07 - 2025-02-25 05:18:07 2460731.7209144 - 2460731.7209144 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473352 2025-02-25 05:18:07 2460731.7209144 20.06 0.16 20.54 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-01 13:26:55 - 2025-03-02 13:33:54 2460736.06036 - 2460737.06521 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473109 2025-03-02 13:33:54 2460737.06521 18.946 0.171 19.66 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
473108 2025-03-01 13:26:55 2460736.06036 19.55 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 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
252699 2025-04-26 11:59:02 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 12:09:05.626 +15:52:11.11 2025-03-08 09:30:40.320 18.9 w-P1 PSN PS25bqy Pan-STARRS N
250936 2025-04-04 18:02:33 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 12:09:05.724 +15:52:11.14 2025-03-01 14:09:50.688 19.28 L-GOTO Other GOTO25bbw GOTO N
246688 2025-03-04 12:23:07 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 12:09:05.668 +15:52:10.85 2025-02-25 05:18:07.000 20.06 BG-q-BlackGem 1 PSN BGEM J120905.66+155210.8 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025ddc_atrep_246688_BlackGEM.pdf Finding Chart 2025-03-04 12:23:08 BlackGEM_Bot1
246507 2025-03-02 17:44:43 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:09:05.651 +15:52:11.09 2025-03-02 13:33:54.144 18.946 orange-ATLAS PSN ATLAS25chu ATLAS 2025TNSTR.858....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20654 2025-03-27 22:21:14 Nadejda Blagorodnova Mujortova Nadejda Blagorodnova (ICCUB), David Jones (IAC), Gerard García Moreno (ICCUB), Erez A. Zimmerman (WIS), Moses Mlangeni (UCT/SAAO), Marco A. Gómez-Muñoz (ICCUB), Hugo Tranin (ICCUB) BlackGEM SN Ic-BL 0.07 1 BlackGEM, CET-3PO 2025TNSCR1185....1B
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
20654 2025-03-26 23:35:20 NOT / ALFOSC 2000 David Jones Gerard Garcia Moreno BlackGEM tns_2025ddc_2025-03-26_23-35-20_NOT_ALFOSC_BlackGEM.txt Object

Comments

TNS
System

Sat, 04/26/2025 - 11:59

Object coordinates updated

Object coordinates updated according to AT-report 252699 of Group Pan-STARRS
Previous RA, DEC: 12:09:05.668, +15:52:10.85 (182.273617, +15.869681)
Updated RA, DEC: 12:09:05.626, +15:52:11.11 (182.27344125, +15.8697523791)

TNS
System

Tue, 03/04/2025 - 12:23

Object coordinates updated

Object coordinates updated according to AT-report 246688 of Group BlackGEM
Previous RA, DEC: 12:09:05.651, +15:52:11.09 (182.273544, +15.869748)
Updated RA, DEC: 12:09:05.668, +15:52:10.85 (182.273617, 15.869681)