Einstein Probe detects fast X-ray transient EP260903a with double-peaked structure
AI Summary
A fast X-ray transient, EP260903a, was detected by Einstein Probe's WXT with a duration of 200 seconds and a double-peaked light curve. The transient had an average unabsorbed flux of 7.41 erg cm^-2 s^-1 in the 0.5-4 keV range. Follow-up observations are planned.
Measurements
| Event ID | 13600875138 |
|---|---|
| Source | Einstein Probe WXT |
| Alert type | GRB |
| Significance | high |
| Trigger time (UTC) | Thu, 03 Sep 2026 11:17:51 GMT |
| Right ascension (J2000) | 292.004° |
| Declination (J2000) | -21.494° |
| Position error radius | 0.04° |
| Image SNR | 7.7 |
| GCN notices | 1 |
| GCN circulars | 1 |
Notices (1)
Einstein Probe WXT — GRB · Thu, 03 Sep 2026 11:17:51 GMT
GCN Circulars (1)
GCN-45513 — EP260903a
· Fri, 04 Sep 2026 08:19:20 GMT
A fast X-ray transient, designated EP260903a, was detected by the Wide-field X-ray Telescope on the Einstein Probe mission. The transient lasted approximately 200 seconds and exhibited a double-peaked structure, with an average unabsorbed 0.5-4 keV flux of 7.41 erg cm^-2 s^-1.
AI summary generated Fri, 04 Sep 2026 08:51:49 GMT.