GCN Circular 40568
Subject
The EP-WXT trigger 01709177124 is likely a flaring star
Date
2025-05-29T04:00:07Z (10 days ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Via
Web form
D. F. Hu (PMO, CAS), S. Q. Jiang, W. X. Wang, Y. J. Song, C. C. Jin (NAO, CAS) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709177124 at the time of 2025-05-28T16:45:02, is likely a stellar flare associated with Gaia DR3 5778356748440163840. The estimated flux of the flare is around 1.4 x 10^(-10) erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 2.5 x 10^(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).