Stellar flare detected by Einstein Probe WXT.

AI Summary

A stellar flare was observed from the star CD-55 8799, with an estimated flux of 1.0 x 10^-10 erg/s/cm^2 in the 0.5-4.0 keV range, indicating an X-ray luminosity of approximately 4.8 x 10^32 erg/s.

Measurements

Event ID01709286204
SourceEinstein Probe WXT
Alert typeGRB
Significancemedium
Trigger time (UTC)Fri, 21 Aug 2026 09:06:36 GMT
Right ascension (J2000)320.192°
Declination (J2000)-54.616°
Position error radius0.05093369°
Image SNR8.3
GCN notices1
GCN circulars1

Notices (1)

Einstein Probe WXT — GRB · Fri, 21 Aug 2026 09:06:36 GMT

GCN Circulars (1)

GCN-45414 — The EP-WXT trigger 01709286204 is likely a flaring star · Fri, 21 Aug 2026 10:00:40 GMT
The Einstein Probe (EP) detected a stellar flare, designated as EP-WXT trigger 01709286204, associated with the star CD-55 8799. The flare had an estimated flux of 1.0 x 10^-10 erg/s/cm^2 in the 0.5-4.0 keV range, corresponding to an X-ray luminosity of around 4.8 x 10^32 erg/s.

View live event on Starithm

AI summary generated Tue, 25 Aug 2026 16:20:51 GMT.