GCN Circular 44256
Subject
The EP-WXT trigger 01709259790 is likely a flaring star
Date
2026-04-10T15:22:03Z (a day ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Via
Web form
G. L. Huang, Z. X. Li, J. Y. Cao (IHEP, CAS), Y. Liu (NAO, CAS) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709259790 at the time of 2026-04-10T11:27:58 (UTC), is likely a stellar flare associated with Gaia DR3 782359908221356544. The estimated flux of the flare is around 6 x 10^(-11) erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 6x 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).