TNS Astronomical Transient Report No. 273931 [ 2025TNSTR4189....1Z ]

Date Received (UTC): 2025-10-19 13:24:38
Date made public:
Sender: XOSS_Bot0
Reporting Group: XOSS     Discovery Data Source: XOSS

Mi Zhang, Jianlin Xu, Ziyang Mai, 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 report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025aaxc
Discoverer internal name: KATS25U009
Coordinates (J2000): RA = 22:24:49.810 (336.207542) DEC = +47:33:47.90 (47.563306)
Discovery date: 2025-10-12 15:26:16.800 (JD=2460961.14325)


Remarks: Cataclysmic variable candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats25u009.html

Photometry

Discovery (first detection):
Discovery date: 2025-10-12 15:26:16.800
Flux: 18.71 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Last non-detection:
Archival info: SDSS
Remarks: Details can be found at http://xjltp.china-vo.org/kats25u009.html

Details of the new object can be viewed here: https://www.wis-tns.org/object/2025aaxc