TITLE: GCN CIRCULAR NUMBER: 40656 SUBJECT: The EP-WXT trigger 01709178283 is likely a flaring star DATE: 25/06/09 16:25:39 GMT FROM: EP Team at NAOC/CAS ep_ta@bao.ac.cn
Y. L. Wang (NAO, CAS; ICE, CSIC-IEEC), H. N. Yang (NAO, CAS), Y. F. Liang (PMO, CAS), Z. X. Ling (NAO, CAS) on behalf of the Einstein Probe (EP) team:
The EP-WXT trigger 01709178283 at 2025-06-09 15:02:00 (UTC) is likely a stellar flare associated with RX J1204.6-7731. The estimated flux of the flare is around 5 x 10^-11 erg/s/cm^2 in 0.5-10 keV, corresponding to an X-ray luminosity of around 6 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).
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