GCN Circular 44355
Subject
The EP-WXT trigger 01709260314 is likely a flaring star
Date
2026-04-20T09:50:59Z (a day ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Via
Web form
Y. L. Wang (NAO, CAS; ICE, CSIC), J. P. Chen (SYSU), J. W. Hu, H. W. Pan (NAO, CAS) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709260314 at the time of 2026-04-20T09:25:12, is likely a stellar flare associated with L 691-74. The estimated flux of the flare is around 1.6e-10 erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 6.2e30 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).