GCN Circular 41045
Subject
The EP-WXT trigger 01709181970 is likely a flaring star
Date
2025-07-09T03:30:49Z (5 days ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Via
Web form
H.L. Peng (NNU), C. Zhou, P. Y. Han (HUST) , Q. C. Liu (THU), B. B. Zhang (NAO, CAS), G. Y. Zhao (SYSU), Z. X. Ling (NAO, CAS) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709181970 at the time of 2025-07-08T22:23:23, is likely a stellar flare associated with Gaia DR3 4587345820285675136. The estimated flux of the flare is around 2.4 x 10^-10 erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 4.5 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).