GCN Circular 44221
Subject
The EP-WXT trigger 01709259621 is likely a flaring star
Date
2026-04-06T02:18:37Z (8 days ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Via
Web form
Tian-Yu Liu, R.H. Yao, Chen Wang and C.C. Jin (NAOC) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709259621 at the time of 2026-04-05T 22:38:24, is likely a stellar flare associated with LP 368-99. The estimated flux of the flare is around 1e-10 erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 1.27e31 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).