RA/DEC (2000)
08:19:35.291 +21:02:44.43
124.897046 +21.045675
Type
SN Ia
Redshift
0.1
Discovery ReportClassification Report
Related AstroNotes: 2025-101
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-17 08:23:43.584
TNS AT
Y
Public
Y
Discovery Mag
19.088
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, J. Tweddle (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_2025err - 2025-03-26 20:14:03 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

 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_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
20656 2025-03-26 20:14:03 NOT / ALFOSC 1200 David Jones Gerard Garcia Moreno BlackGEM tns_2025err_2025-03-26_20-14-03_NOT_ALFOSC_BlackGEM.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-02-26 01:35:09 - 2025-02-26 01:35:09 2460732.5660764 - 2460732.5660764 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476746 2025-02-26 01:35:09 2460732.5660764 20.37 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-03-02 01:43:00 - 2025-03-02 01:43:00 2460736.5715278 - 2460736.5715278 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476747 2025-03-02 01:43:00 2460736.5715278 19.88 0.16 20.88 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-17 08:23:44 - 2025-03-17 08:23:44 2460751.84981 - 2460751.84981 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476498 2025-03-17 08:23:44 2460751.84981 19.088 0.184 19.23 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-03-15 10:31:03 - 2025-03-15 10:31:03 2460749.93823 - 2460749.93823 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476497 2025-03-15 10:31:03 2460749.93823 18.55 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
248827 2025-03-18 15:36:03 BlackGEM_Bot1 J. A. Paice,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 08:19:35.291 +21:02:44.43 2025-03-02 01:43:00.000 19.88 BG-q-BlackGem 1 PSN BGEM J081935.29+210244.4 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025err_atrep_248827_BlackGEM.pdf Finding Chart 2025-03-18 15:36:05 BlackGEM_Bot1
248662 2025-03-17 11:45:27 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 08:19:35.302 +21:02:44.64 2025-03-17 08:23:43.584 19.088 orange-ATLAS PSN ATLAS25csk ATLAS 2025TNSTR1006....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
20656 2025-03-27 22:26:06 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 0.1 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
20656 2025-03-26 20:14:03 NOT / ALFOSC 1200 David Jones Gerard Garcia Moreno BlackGEM tns_2025err_2025-03-26_20-14-03_NOT_ALFOSC_BlackGEM.txt Object

Comments

TNS
System

Tue, 03/18/2025 - 15:36

Object coordinates updated

Object coordinates updated according to AT-report 248827 of Group BlackGEM
Previous RA, DEC: 08:19:35.302, +21:02:44.64 (124.89709, +21.045734)
Updated RA, DEC: 08:19:35.291, +21:02:44.43 (124.897046, 21.045675)