GCN Circular 44950
Subject
The EP-WXT trigger 01709269893 is likely a flaring star
Date
2026-06-16T04:16:36Z (6 days ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Via
Web form
D. Y. Li, T. Y. Liu (NAO, CAS), J. H. Wu (GZHU), Z. X. Ling (NAO, CAS) on behalf of the
Einstein Probe (EP) team:
The EP-WXT trigger 01709269893 at the time of 2026-06-16T03:28:01, is likely a stellar flare associated with UCAC3 45-262017. The estimated flux of the flare is around 8.0 x 10^(-11) erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 1.2 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).