TITLE:   GCN CIRCULAR
NUMBER:  45384
SUBJECT: The EP-WXT trigger 01709280562 is likely a flaring star
DATE:    26/08/15 01:32:54 GMT
FROM:    EP Team at NAOC/CAS <ep_ta@bao.ac.cn>

Y.-H. I. Yin (HKU), Z.-C. Zou (NJU), J. H. Wu (GZHU), Y. Q. Zhao (PRIC, USTC), Z. X. Ling (NAO, CAS) on behalf of the Einstein Probe (EP) team:

The EP-WXT trigger 01709280562 at the time of 2026-08-14T19:52:10, is likely a stellar flare associated with UPM J0042-5444. The estimated flux of the flare is around 1.0 x 10^-10 erg/s/cm^2 in 0.5-4.0 keV, corresponding to an X-ray luminosity of around 2.3 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).