RA/DEC (2000)
18:34:51.249 +22:09:17.27
278.713537 +22.154797
Type
---
Redshift
Discovery Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2025-06-08 18:37:41.088
TNS AT
Y
Public
Y
Discovery Mag
16.78
Filter
Clear-
Reporter/s
Ziyang Mai, Jianlin Xu, Mi Zhang, 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 2025-06-03 07:28:27 - 2025-06-03 07:28:27 2460829.8114236 - 2460829.8114236 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
586495 2025-06-03 07:28:27 2460829.8114236 19.76 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-06-24 05:24:18 - 2025-06-24 05:24:18 2460850.7252083 - 2460850.7252083 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
586496 2025-06-24 05:24:18 2460850.7252083 18.17 0.04 20.44 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
Clear- Other_Other 2025-06-08 18:37:41 - 2025-06-08 18:37:41 2460835.27617 - 2460835.27617 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494234 2025-06-08 18:37:41 2460835.27617 16.78 0.16 19 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
305812 2026-05-27 15:05:01 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 18:34:51.249 +22:09:17.27 2025-06-24 05:24:18.000 18.17 BG-q-BlackGem PSN BGEM J183451.25+220917.3 BlackGEM N
258042 2025-06-09 00:59:16 Mi Zhang Ziyang Mai, Jianlin Xu, Mi Zhang et al. XOSS XOSS 18:34:51.280 +22:09:16.80 2025-06-08 18:37:41.088 16.78 Clear- Other KATS25L001 XOSS CV candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats25l001.html 2025TNSTR2158....1M N
No Data

Comments

TNS
System

Wed, 05/27/2026 - 15:05

Object coordinates updated

Object coordinates updated according to AT-report 305812 of Group BlackGEM
Previous RA, DEC: 18:34:51.280, +22:09:16.80 (278.713667, +22.154667)
Updated RA, DEC: 18:34:51.249, +22:09:17.27 (278.713537, +22.154797)