Einstein Probe detects stellar flare from RX J2350.0+2659 with refined temperature and flux measurements

AI Summary

An X-ray transient detected by Einstein Probe's WXT on July 29, 2026, has been identified as a stellar flare from RX J2350.0+2659. Analysis revealed an average temperature of 2.78 keV and unabsorbed flux of 9.42×10^-11 erg/s/cm^2.

Measurements

Event ID01709277130
SourceEinstein Probe WXT
Alert typeGRB
Significancehigh
Trigger time (UTC)Wed, 29 Jul 2026 17:04:47 GMT
Right ascension (J2000)357.559°
Declination (J2000)26.992°
Position error radius0.05199617°
Image SNR7
GCN notices1
GCN circulars2

Notices (1)

Einstein Probe WXT — GRB · Wed, 29 Jul 2026 17:04:47 GMT

GCN Circulars (2)

GCN-45255 — EP260729a · Thu, 30 Jul 2026 03:20:46 GMT
The Einstein Probe (EP) detected a stellar flare from the star RX J2350.0+2659 on July 29, 2026, confirmed by optical observations. The event's refined analysis shows an average temperature of 2.78 keV and an unabsorbed flux of 9.42×10^-11 erg/s/cm^2.

GCN-45253 — EP260729a · Wed, 29 Jul 2026 18:01:14 GMT
The Einstein Probe (EP) mission detected an X-ray transient, designated EP260729a, on July 29, 2026, using its Wide-field X-ray Telescope (WXT). A follow-up observation with the Follow-up X-ray Telescope (FXT) confirmed an uncatalogued X-ray source within the WXT error circle.

View live event on Starithm

AI summary generated Thu, 30 Jul 2026 06:46:15 GMT.