GCN Circular 41844
Subject
The EP-WXT trigger 01709241037 is likely a flaring star
Date
2025-09-17T02:17:05Z (7 days ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Via
Web form
B.T. Wang (YNAO, CAS), S. Q . Jiang, W. D. Zhang (NAO, CAS) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709241037 at the time of 2025-09-16T23:34:38 (UTC), is likely a stellar flare associated with UPM J0113-5939. The estimated flux of the flare is around 6e-11 erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 1.3e31 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).