RA/DEC (2000)
04:42:25.174 -58:45:21.01
70.604892 -58.755836
Type
---
Redshift
Discovery Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-08-31 17:12:10.656
TNS AT
Y
Public
Y
Discovery Mag
20.36
Filter
L-GOTO
Reporter/s
D. O'Neill, 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, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Light curves

 ▌GOTO-S_GOTO-4_L
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
 ▌BG4_BlackGEM-Cam4_BG-q
   
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
L-GOTO GOTO-S_GOTO-4 2025-08-17 16:42:36 - 2025-08-31 17:12:11 2460905.196247 - 2460919.216788 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517072 2025-08-31 17:12:11 2460919.216788 20.36 0.2 ABMag L-GOTO GOTO-S_GOTO-4 360
517071 2025-08-17 16:42:36 2460905.196247 20 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-09-17 08:21:27 - 2025-09-17 08:21:27 2460935.84823 - 2460935.84823 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518449 2025-09-17 08:21:27 2460935.84823 19.36 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-09-18 02:01:39 - 2025-09-18 02:01:39 2460936.58448 - 2460936.58448 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518450 2025-09-18 02:01:39 2460936.58448 19.408 0.173 19.6 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-08-28 10:02:47 - 2025-09-11 09:14:48 2460915.9185995 - 2460929.8852778 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587232 2025-09-11 09:14:48 2460929.8852778 19.35 0.12 19.84 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
587231 2025-08-28 10:02:47 2460915.9185995 20.55 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
306180 2026-05-27 16:51:48 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 04:42:25.174 -58:45:21.01 2025-09-11 09:14:48.000 19.35 BG-q-BlackGem PSN BGEM J044225.17-584521.0 BlackGEM N
270636 2025-09-18 23:18:27 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 04:42:25.142 -58:45:21.41 2025-09-18 02:01:39.072 19.408 orange-ATLAS PSN ATLAS25lrd ATLAS N
270009 2025-09-14 18:29:35 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 04:42:25.170 -58:45:20.91 2025-08-31 17:12:10.656 20.36 L-GOTO Other GOTO25gqz GOTO 2025TNSTR3687....1O N
No Data

Comments

TNS
System

Wed, 05/27/2026 - 16:51

Object coordinates updated

Object coordinates updated according to AT-report 306180 of Group BlackGEM
Previous RA, DEC: 04:42:25.142, -58:45:21.41 (70.6047583333, -58.7559483333)
Updated RA, DEC: 04:42:25.174, -58:45:21.01 (70.604892, -58.755836)

TNS
System

Thu, 09/18/2025 - 23:18

Object coordinates updated

Object coordinates updated according to AT-report 270636 of Group ATLAS
Previous RA, DEC: 04:42:25.170, -58:45:20.91 (70.604877, -58.755809)
Updated RA, DEC: 04:42:25.142, -58:45:21.41 (70.6047583333, -58.7559483333)