STARITHM
CHIME detects high-significance FRB with DM=1323.5 at RA=187.01°, Dec=30.10°
AI Summary
CHIME/FRB Real-time Search Pipeline identified Fast Radio Burst 1181345799 on 2026-10-11 at 19:08:01.987 UTC with high importance score (0.9999). The burst exhibits a dispersion measure of 1323.52±0.40 pc/cm³ and signal-to-noise ratio of 16.37 across the 400-800 MHz band, suggesting an extragalactic origin well beyond the Galactic plane (DM_gal max: 19.95 pc/cm³). Localization uncertainty is ~0.5° in both coordinates. No follow-up observations or additional circulars have been reported at this time.
Measurements
| Event ID | 1181345799 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | medium |
| Trigger time (UTC) | Sun, 11 Oct 2026 19:08:01 GMT |
| Right ascension (J2000) | 187.0083016° |
| Declination (J2000) | 30.0989353° |
| Dispersion measure | 1323.5169678 pc/cm³ |
| SNR | 16.3655701 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Sun, 11 Oct 2026 19:08:01 GMT
AI summary generated Mon, 12 Oct 2026 10:43:31 GMT.