GCN Circular 40754
Subject
The EP-WXT trigger 01709178975 is likely a flaring star
Event
Date
2025-06-17T11:56:18Z (8 days ago)
Edited On
2025-06-17T16:06:58Z (8 days ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Edited By
Judith Racusin at NASA/GSFC <judith.racusin@nasa.gov>
Via
Web form
X. L. Chen (YNU), H. Z. Wu (HUST), Y. P. Zhou (NJU), Y. Q. Zhao (USTC, PRIC), J. W. Hu, Y. Liu (NAO, CAS) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709178975 at the time of 2025-06-17T11:22:06, is likely a stellar flare associated with CD-32 11039. 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 2.9e32 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).