GCN Circular 44446
Subject
The EP-WXT trigger 01709261576 is likely a flaring star
Date
2026-05-02T19:25:21Z (16 hours ago)
From
EP Team at NAOC/CAS <ep_ta@bao.ac.cn>
Via
Web form
X. Mao (NAO, CAS; OAPa, INAF), H. Zhou (PMO), Z. C. Zou (NJU), W. D. Zhang (NAO, CAS) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709261576 at the time of 2026-05-02T18:35:45, is likely a stellar flare associated with Sz 30. The estimated flux of the flare is around 1.8e-10 erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 7.3e32 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).