| Internal name | KATS25R004 |  |
 |
| RA/DEC (2000) | 21 10 31.67 +43 07 42.9 | ||
| Discovery date (UT) | 2025-09-03.76651 | ||
| Discovery Mag | 17.91CV | ||
| Host name | Cyg | ||
| Host Redshift | |||
| Type | UG | ||
| Redshift | |||
| Other name/s | AT 2025wwm TCP J21103167+4307429 ZTF25abonuyx |
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| References | VSX | Discovery image taken around 2025 Sep. 03.76651 UT at N86 | PanSTARRS-1 Image |
| Reporter/s | 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 candidate classified by XOSS. Details can be found at https://xjltp.china-vo.org/kats25r004.html | ||
| Discovery report | We report the discovery of a possible CV (17.91+-0.15CV). Discovery was made on several 60-s survey images (limiting mag about 19.5) taken by Xing Gao around 2025 Sep. 03.76651 UT in the course of the KATS survey of Xinjiang Astronomical Observatory. | ||
| Comments | |||
| KATS25R004 C2025 08 27.74806 21 10 31.64 +43 07 42.8 >19.5CV N86 KATS25R004 C2025 09 03.76651 21 10 31.67 +43 07 42.9 17.91+-0.15CV N86 |
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