STARITHM
A likely stellar flare detected from a high proper motion star
AI Summary
The Einstein Probe WXT triggered an alert at 2026-09-21T00:14:17.449Z for a potential stellar flare, later confirmed to originate from Gaia DR3 5080946246745224576, with an estimated flux of 8 x 10^(-11) erg/s/cm^2 in the 0.5-4.0 keV range.
Measurements
| Event | The EP-WXT trigger 01709318601 is likely a flaring star |
|---|---|
| Event ID | 01709318601 |
| Source | Einstein Probe WXT |
| Alert type | XRAY |
| Significance | medium |
| Trigger time (UTC) | Mon, 21 Sep 2026 00:14:17 GMT |
| Right ascension (J2000) | 57.243° |
| Declination (J2000) | -27.399° |
| Position error radius | 0.05085369° (3.1′) |
| Position from | notice einstein_probe.wxt.alert |
| Net count rate | 0.04 |
| Image SNR | 7.3 |
| GCN notices | 1 |
| GCN circulars | 1 |
Notices (1)
Einstein Probe WXT — XRAY · Mon, 21 Sep 2026 00:14:17 GMT
GCN Circulars (1)
GCN-45667 — The EP-WXT trigger 01709318601 is likely a flaring star
· Mon, 21 Sep 2026 01:54:06 GMT
The Einstein Probe (EP) detected a likely stellar flare from the high proper motion star Gaia DR3 5080946246745224576 on September 21, 2026. The flare had an estimated flux of around 8 x 10^(-11) erg/s/cm^2 in the 0.5-4.0 keV range, corresponding to an X-ray luminosity of approximately 3.1 x 10^31 erg/s.
AI summary generated Thu, 05 Nov 2026 14:03:27 GMT.