| Internal name | KATS25U004 |  |
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| RA/DEC (2000) | 18 19 17.38 +04 45 15.3 | ||
| Discovery date (UT) | 2025-10-16.61579 | ||
| Discovery Mag (Clear) | 17.87 | ||
| Host name | Oph | ||
| Host Redshift | |||
| Type | UG | ||
| Redshift | |||
| Other name/s | AT 2025aarh TCP J18191738+0445153 ZTF19aaqysvy |
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| References | VSX | Discovery image taken around 2025 Oct. 16.61579 UT at N86 | PanSTARRS-1 Image |
| Reporter/s | 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 | ||
| Remarks | Cataclysmic variable candidate classified by XOSS. Details can be found at https://xjltp.china-vo.org/kats25u004.html | ||
| Discovery report | We report the discovery of a cataclysmic variable candidate (mag C = 17.87 ± 0.21). The object was detected on several 60-s survey images (limiting mag ~19.5) taken on 2025 Oct. 16.61579 UT by Xing Gao in the course of the KATS survey of Xinjiang Astronomical Observatory. | ||
| Comments | |||
| KATS25U004 C2025 10 11.64600 18 19 17.41 +04 45 15.0 >19.50CV N86 KATS25U004 C2025 10 16.61579 18 19 17.38 +04 45 15.3 17.87+-0.21CV N86 |
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