Einstein Probe detects likely stellar flare from SS Cyg
AI Summary
The Einstein Probe WXT triggered on July 10, 2026, detecting a flare associated with the cataclysmic binary SS Cyg, with an estimated flux of 3.2 x 10^-10 erg/s/cm^2 in the 0.5-4.0 keV range.
Measurements
| Event ID | 01709274666 |
|---|---|
| Source | Einstein Probe WXT |
| Alert type | GRB |
| Significance | medium |
| Trigger time (UTC) | Fri, 10 Jul 2026 18:07:01 GMT |
| Right ascension (J2000) | 325.672° |
| Declination (J2000) | 43.574° |
| Position error radius | 0.05032143° |
| Image SNR | 16.9 |
| GCN notices | 1 |
| GCN circulars | 1 |
Notices (1)
Einstein Probe WXT — GRB · Fri, 10 Jul 2026 18:07:01 GMT
GCN Circulars (1)
GCN-45135 — The EP-WXT trigger 01709274666 is likely a flaring star
· Sat, 11 Jul 2026 01:06:54 GMT
The Einstein Probe (EP) detected a likely stellar flare associated with SS Cyg, a cataclysmic binary star, on July 10, 2026. The flare had an estimated flux of around 3.2 x 10^(-10) erg/s/cm^2 in the 0.5-4.0 keV energy range, corresponding to an X-ray luminosity of approximately 5 x 10^32 erg/s.
AI summary generated Wed, 15 Jul 2026 05:42:11 GMT.