GCN Circular 45526
Subject
The EP-WXT trigger 01709305715 is likely a flaring star
Date
2026-09-07T11:43:40Z (15 hours ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Via
Web form
R.-Z. Li (YNAO), S.-Y. Fu (HUST), Z.-X. Li (IHEP) and Y. Liu (NAOC) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709305715 at the time of 2026-09-07T11:09:20, is likely a stellar flare associated with PM J21047-0418. The estimated flux of the flare is around 4e-11 erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 2.9e30 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).