GCN Circular 43495
Subject
The EP-WXT trigger 01709251871 is likely a flaring star
Date
2026-01-22T01:53:51Z (21 days ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Via
Web form
R.D. Liang (NAOC), Z. X. Li, G. L. Huang, C. Wang (IHEP) and Y. Liu (NAOC) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709251871 at the time of 2026-01-22T00:00:14, is likely a stellar flare associated with [M81] I-308. The estimated flux of the flare is around 1x10^-10 erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 8.5x10^31 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).