RA/DEC (2000)
00:12:23.004 +23:17:34.78
3.09585 +23.292994
Type
---
Redshift
Discovery Report
Related AstroNotes: 2025-264
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-08-19 09:56:58.848
TNS AT
Y
Public
Y
Discovery Mag
20.132
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), M. R. Alarcón, J. Licandro, P. Nichita (IAC), 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

Light curves

 ▌ATLAS-TDO_ATLAS-05_wide
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌ATLAS-MLO_ATLAS-01_orange
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
No Data
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
wide-ATLAS ATLAS-TDO_ATLAS-05 2025-08-15 00:37:46 - 2025-08-15 00:37:46 2460902.52623 - 2460902.52623 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510657 2025-08-15 00:37:46 2460902.52623 18.44 ABMag wide-ATLAS ATLAS-TDO_ATLAS-05 30 Robot [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-07-29 06:00:26 - 2025-08-26 03:40:46 2460885.7503009 - 2460913.6533102 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
585791 2025-08-26 03:40:46 2460913.6533102 20.03 0.15 20.31 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
585790 2025-07-29 06:00:26 2460885.7503009 20.33 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-08-19 09:56:59 - 2025-08-19 09:56:59 2460906.91457 - 2460906.91457 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510658 2025-08-19 09:56:59 2460906.91457 20.132 0.173 20.35 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 110 Robot
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
305459 2026-05-27 14:02:56 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 00:12:23.004 +23:17:34.78 2025-08-26 03:40:46.000 20.03 BG-q-BlackGem PSN BGEM J001223.00+231734.8 BlackGEM N
266793 2025-08-20 17:18:48 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 00:12:23.014 +23:17:34.70 2025-08-19 09:56:58.848 20.132 orange-ATLAS PSN ATLAS25jzj ATLAS 2025TNSTR3286....1T N
No Data

Comments

TNS
System

Wed, 05/27/2026 - 14:02

Object coordinates updated

Object coordinates updated according to AT-report 305459 of Group BlackGEM
Previous RA, DEC: 00:12:23.014, +23:17:34.70 (3.095892, +23.292972)
Updated RA, DEC: 00:12:23.004, +23:17:34.78 (3.09585, +23.292994)