RA/DEC (2000)
11:16:35.678 -03:41:50.09
169.148658 -3.697247
Type
SN Ia
Redshift
0.095
Discovery ReportClassification Report
Related AstroNotes: 2025-101
Reporting Group
BlackGEM
Discovering Data Source
BlackGEM
Discovery Date
2025-03-04 03:37:47.000
TNS AT
Y
Public
Y
Discovery Mag
18.99
Filter
BG-q-BlackGem
Reporter/s
F. Stoppa, H. Tranin, D. Pieterse, G. Ramsay, S. Faris, P. Groot, P. Vreeswijk, N. Blagorodnova, J. van Roestel, H. Wichern, S. Scaringi
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025etc - 2025-03-26 22:41:30 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-3_L
 ▌GOTO-N_GOTO-2_L
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌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
20651 2025-03-26 22:41:30 NOT / ALFOSC 1800 David Jones Gerard Garcia Moreno BlackGEM tns_2025etc_2025-03-26_22-41-30_NOT_ALFOSC_BlackGEM_0.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-03-19 12:37:17 - 2025-03-19 12:37:17 2460754.025887 - 2460754.025887 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476885 2025-03-19 12:37:17 2460754.025887 18.99 0.11 ABMag L-GOTO GOTO-S_GOTO-3 180
L-GOTO GOTO-N_GOTO-2 2025-03-18 00:31:05 - 2025-03-18 00:31:05 2460752.521577 - 2460752.521577 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476884 2025-03-18 00:31:05 2460752.521577 17.8 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-03-04 03:37:47 - 2025-03-04 03:37:47 2460738.6512384 - 2460738.6512384 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476635 2025-03-04 03:37:47 2460738.6512384 18.99 0.06 21.07 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-02-25 04:50:12 - 2025-02-25 04:50:12 2460731.7015278 - 2460731.7015278 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476634 2025-02-25 04:50:12 2460731.7015278 20.4 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-24 10:38:42 - 2025-03-24 10:38:42 2460758.94354 - 2460758.94354 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
478575 2025-03-24 10:38:42 2460758.94354 19.159 0.156 19.6 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-03-22 13:55:43 - 2025-03-22 13:55:43 2460757.08036 - 2460757.08036 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
478574 2025-03-22 13:55:43 2460757.08036 19 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
249747 2025-03-24 15:09:28 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 11:16:35.719 -03:41:50.41 2025-03-24 10:38:41.856 19.159 orange-ATLAS PSN ATLAS25daj ATLAS N
248892 2025-03-19 15:13:01 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 11:16:35.703 -03:41:50.25 2025-03-19 12:37:16.896 18.99 L-GOTO Other GOTO25bda GOTO N
248726 2025-03-18 08:21:05 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 11:16:35.678 -03:41:50.09 2025-03-04 03:37:47.000 18.99 BG-q-BlackGem 1 PSN BGEM J111635.67-034150.0 BlackGEM 2025TNSTR1022....1S N
Related files
File Comments Last Modified (UT) Modified By
tns_2025etc_atrep_248726_BlackGEM.pdf Finding Chart 2025-03-18 08:21:08 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
20651 2025-03-27 22:08:32 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 Ia 0.095 1 Add 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
20651 2025-03-26 22:41:30 NOT / ALFOSC 1800 David Jones Gerard Garcia Moreno BlackGEM tns_2025etc_2025-03-26_22-41-30_NOT_ALFOSC_BlackGEM_0.txt Object

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