TITLE: GCN CIRCULAR NUMBER: 40821 SUBJECT: The EP-WXT trigger 01709179396 is likely a flaring star CSTAR 38580 DATE: 25/06/25 11:27:58 GMT FROM: EP Team at NAOC/CAS ep_ta@bao.ac.cn
H. Zhou (PMO), W. X. Wang (NAO, CAS), J. H. Wu (GZHU), W. F. Wen(SZTU), W. D. Zhang(NAO, CAS), report on behalf of the Einstein Probe team:
The EP-WXT trigger 01709179396 at the time of 2025-06-25T09:21:20, is likely a stellar flare associated with CSTAR 38580. The estimated flux of the flare is around 8 x 10^-11 erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 3.2 x 10^31 erg/s.
Launched on January 9, 2024, EP is a space X-ray observatory to monitor the soft X-ray sky with X-ray follow-up capability (Yuan et al. 2022, Handbook of X-ray and Gamma-ray Astrophysics).
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