RA/DEC (2000)
17:57:36.265 +28:10:17.51
269.401105554 +28.1715312949
Type
---
Redshift
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-05-18 02:01:26.976
TNS AT
Y
Public
Y
Discovery Mag
18.59
Filter
L-GOTO
Reporter/s
G. Ramsay, D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Light curves

 GOTO-N_GOTO-2_L
 PS2_GPC2_w
 BG3_BlackGEM-Cam3_BG-q
 BG2_BlackGEM-Cam2_BG-q
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_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
L-GOTO GOTO-N_GOTO-2 2025-05-04 01:04:55 - 2025-05-18 02:01:27 2460799.54508 - 2460813.584345 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488898 2025-05-18 02:01:27 2460813.584345 18.59 0.13 ABMag L-GOTO GOTO-N_GOTO-2 180
488897 2025-05-04 01:04:55 2460799.54508 19.4 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-05-23 13:52:16 - 2025-05-23 13:52:16 2460819.07796 - 2460819.07796 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
509873 2025-05-23 13:52:16 2460819.07796 18.74 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-05-13 07:36:28 - 2025-05-13 07:36:28 2460808.8169907 - 2460808.8169907 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490935 2025-05-13 07:36:28 2460808.8169907 19.5 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-05-20 06:51:17 - 2025-05-20 06:51:17 2460815.7856134 - 2460815.7856134 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
490936 2025-05-20 06:51:17 2460815.7856134 18.71 0.08 20.52 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
r-ZTF P48_ZTF-Cam 2025-05-10 09:36:12 - 2025-05-10 09:36:12 2460805.9001389 - 2460805.9001389 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494272 2025-05-10 09:36:12 2460805.9001389 20.3381 0.314375 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-05-10 08:07:09 - 2025-06-09 07:33:19 2460805.8382986 - 2460835.8148032 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494273 2025-06-09 07:33:19 2460835.8148032 19.7959 0.179583 ABMag g-ZTF P48_ZTF-Cam
494271 2025-05-10 08:07:09 2460805.8382986 19.8338 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-05-20 12:31:24 - 2025-05-20 12:31:24 2460816.02181 - 2460816.02181 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489505 2025-05-20 12:31:24 2460816.02181 18.861 0.137 19.43 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-05-19 11:26:20 - 2025-05-19 11:26:20 2460814.97662 - 2460814.97662 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489504 2025-05-19 11:26:20 2460814.97662 19.29 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
266346 2025-08-17 20:34:28 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 17:57:36.265 +28:10:17.51 2025-05-23 13:52:15.744 18.74 w-P1 PSN PS25glr Pan-STARRS N
258056 2025-06-09 07:47:27 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 17:57:36.262 +28:10:17.46 2025-05-10 09:36:12.000 20.3381 r-ZTF PSN ZTF25aaqccxc ZTF N
256406 2025-05-24 14:56:02 BlackGEM_Bot1 P. Groot,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 17:57:36.260 +28:10:17.24 2025-05-20 06:51:17.000 18.71 BG-q-BlackGem PSN BGEM J175736.25+281017.2 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025krh_atrep_256406_BlackGEM.pdf Finding Chart 2025-05-24 14:56:04 BlackGEM_Bot1
255670 2025-05-21 18:46:19 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 17:57:36.238 +28:10:17.73 2025-05-20 12:31:24.384 18.861 orange-ATLAS PSN ATLAS25fdo ATLAS N
255359 2025-05-18 21:42:41 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 17:57:36.261 +28:10:16.98 2025-05-18 02:01:26.976 18.59 L-GOTO Other GOTO25ctc GOTO 2025TNSTR1827....1R N
No Data

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 266346 of Group Pan-STARRS
Previous RA, DEC: 17:57:36.260, +28:10:17.24 (269.401083, +28.171456)
Updated RA, DEC: 17:57:36.265, +28:10:17.51 (269.401105554, +28.1715312949)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 256406 of Group BlackGEM
Previous RA, DEC: 17:57:36.238, +28:10:17.73 (269.40099, +28.1715914286)
Updated RA, DEC: 17:57:36.260, +28:10:17.24 (269.401083, +28.171456)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 255670 of Group ATLAS
Previous RA, DEC: 17:57:36.261, +28:10:16.98 (269.401087, +28.171384)
Updated RA, DEC: 17:57:36.238, +28:10:17.73 (269.40099, +28.1715914286)