Einstein Probe detects GRB 01709322270 with significant X-ray emission
AI Summary
The Einstein Probe WXT detected a gamma-ray burst (GRB) on November 5, 2026, with a net count rate of 0.08 counts/s in the energy range of 0.5-4 keV. A follow-up observation with FXT confirmed the presence of an uncatalogued X-ray source within the initial detection error circle.
Measurements
| Event | EP261105a |
|---|---|
| Event ID | 01709322270 |
| Source | Einstein Probe WXT |
| Alert type | XRAY |
| Significance | high |
| Trigger time (UTC) | Thu, 05 Nov 2026 10:07:54 GMT |
| Right ascension (J2000) | 91.013° |
| Declination (J2000) | -54.231° |
| Position error radius | 0.05195203° (3.1′) |
| Position from | notice einstein_probe.wxt.alert |
| Net count rate | 0.08 |
| Image SNR | 7.2 |
| GCN notices | 1 |
| GCN circulars | 1 |
Notices (1)
Einstein Probe WXT — XRAY · Thu, 05 Nov 2026 10:07:54 GMT
GCN Circulars (1)
GCN-46155 — EP261105a
· Thu, 05 Nov 2026 12:13:57 GMT
The Einstein Probe (EP) mission detected an X-ray transient, designated EP261105a, on November 5, 2026, at 10:07:54 UTC. The transient was initially detected by the Wide-field X-ray Telescope (WXT) and subsequently confirmed by the Follow-up X-ray Telescope (FXT) within a 20 arcsec radius uncertainty.
AI summary generated Thu, 05 Nov 2026 12:46:21 GMT.