Einstein Probe detects likely stellar flare from eclipsing binary GR* 232
AI Summary
A significant X-ray flare was observed from the eclipsing binary GR* 232, with an estimated flux of 1.4e-10 erg/s/cm^2 in the 0.5-4.0 keV range and an X-ray luminosity of 3.1e31 erg/s.
Measurements
| Event ID | 01709278015 |
|---|---|
| Source | Einstein Probe WXT |
| Alert type | GRB |
| Significance | medium |
| Trigger time (UTC) | Mon, 10 Aug 2026 08:31:49 GMT |
| Right ascension (J2000) | 353.598° |
| Declination (J2000) | -15.513° |
| Position error radius | 0.05136735° |
| Image SNR | 7.6 |
| GCN notices | 1 |
| GCN circulars | 1 |
Notices (1)
Einstein Probe WXT — GRB · Mon, 10 Aug 2026 08:31:49 GMT
GCN Circulars (1)
GCN-45343 — The EP-WXT trigger 01709278015 is likely a flaring star
· Mon, 10 Aug 2026 11:45:07 GMT
The Einstein Probe (EP) detected a significant stellar flare, identified as EP-WXT trigger 01709278015, associated with the eclipsing binary star GR* 232. The flare had an estimated flux of 1.4e-10 erg/s/cm^2 in the 0.5-4.0 keV range, corresponding to an X-ray luminosity of 3.1e31 erg/s. This detection highlights the EP's capability to monitor and study high-energy astrophysical events.
AI summary generated Wed, 12 Aug 2026 06:29:59 GMT.