RA/DEC (2000)
16:57:24.891 +01:50:01.93
254.353713 +1.833869
Type
---
Redshift
Discovery Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2025-02-22 23:15:29.376
TNS AT
Y
Public
Y
Discovery Mag
17.63
Filter
Clear-
Reporter/s
Mi Zhang, Jianlin Xu, Guoyou Sun, Jiangao Ruan, Jingyuan Zhao, Wenjie Zhou, Yong Ma, Ye, Zhuoyang Chen (Xingming Obs.), Hanjie Tan (AUUK), Guangwei Wu (NAAA), Xing Gao, Ali Esamdin, Chunhai Bai, Yong Wang (XAO), on behalf of the KATS team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Light curves

 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌Other_Other_Clear
   
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
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-03-04 08:34:32 - 2025-03-04 08:34:32 2460738.8573148 - 2460738.8573148 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
586007 2025-03-04 08:34:32 2460738.8573148 20.12 0.09 20.88 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem BG2_BlackGEM-Cam2 2024-08-13 00:43:00 - 2024-08-13 00:43:00 2460535.5298611 - 2460535.5298611 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
586006 2024-08-13 00:43:00 2460535.5298611 20.41 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
Clear- Other_Other 2025-02-22 23:15:29 - 2025-02-22 23:15:29 2460729.46909 - 2460729.46909 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470923 2025-02-22 23:15:29 2460729.46909 17.63 0.17 19.5 VegaMag Clear- Other_Other 60 Xing Gao
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
305567 2026-05-27 14:20:36 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 16:57:24.891 +01:50:01.93 2025-03-04 08:34:32.000 20.12 BG-q-BlackGem PSN BGEM J165724.89+015001.9 BlackGEM N
245577 2025-02-23 00:46:28 Mi Zhang Mi Zhang, Jianlin Xu, Guoyou Sun et al. XOSS XOSS 16:57:24.920 +01:50:01.50 2025-02-22 23:15:29.376 17.63 Clear- Other KATS25D012 XOSS CV candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats25d012.html 2025TNSTR.739....1Z N
No Data

Comments

TNS
System

Wed, 05/27/2026 - 14:20

Object coordinates updated

Object coordinates updated according to AT-report 305567 of Group BlackGEM
Previous RA, DEC: 16:57:24.920, +01:50:01.50 (254.353833, +1.83375)
Updated RA, DEC: 16:57:24.891, +01:50:01.93 (254.353713, +1.833869)