| Internal name | KATS25O015 |  |
 |
| RA/DEC (2000) | 17 43 41.23 -23 57 54.2 | ||
| Discovery date (UT) | 2025-07-23.68690 | ||
| Discovery Mag | 18.26CV | ||
| Host name | Sgr | ||
| Host Redshift | |||
| Type | Microlensing Event | ||
| Redshift | |||
| Other name/s | AT 2025ryh TCP J17434123-2357542 ZTF25abbseur |
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| References | OGLE | Discovery image taken around 2025 Jul. 23.68690 UT at N86 | PanSTARRS-1 Image |
| 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 | ||
| Remarks | CV/SN candidate classified by XOSS. Details can be found at https://xjltp.china-vo.org/kats25o015.html | ||
| Discovery report | We report the discovery of a possible CV/SN (18.26+-0.18CV). Discovery was made on several 60-s survey images (limiting mag about 20.0) taken by Xing Gao around 2025 Jul. 23.68690 UT in the course of the KATS survey of Xinjiang Astronomical Observatory. | ||
| Comments | |||
| KATS25O015 C2025 06 29.75363 17 43 41.24 -23 57 54.4 19.13+-0.21CV N86 KATS25O015 C2025 07 23.68690 17 43 41.23 -23 57 54.2 18.26+-0.18CV N86 |
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