GCN Circular 40649
Subject
The EP-WXT trigger 01709178244 is likely a flaring star
Date
2025-06-08T05:41:59Z (a day ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Via
Web form
D. F. Hu (PMO, CAS), Q. C. Liu (THU), B. B. Zhang (BNU), Y. Liu (NAO, CAS) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709178244 at the time of 2025-06-08T04:53:30 (UTC), is likely a stellar flare associated with Gaia DR3 6730332160799599744. The estimated flux of the flare is around 1.6 x 10^-10 erg/s/cm^2 in 0.5-4 keV, corresponding to an X-ray luminosity of around 3.3 x 10^32 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).