STARITHM
CHIME detects Fast Radio Burst with high significance and moderate dispersion measure
AI Summary
CHIME/FRB Real-time Search Pipeline detected FRB 1179164771 on 2026-09-30 at 23:16:34 UTC with a signal-to-noise ratio of 15.39 and high importance score (0.972). The burst exhibits a dispersion measure of 95.43±1.62 pc/cm³, significantly exceeding the maximum Galactic contribution (33.72 pc/cm³), indicating an extragalactic origin. The event was localized to RA 237.85°, Dec 46.68° with ~0.68° positional uncertainty across the 400-800 MHz band. No follow-up observations or additional detections have been reported.
Measurements
| Event ID | 1179164771 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | medium |
| Trigger time (UTC) | Wed, 30 Sep 2026 23:16:34 GMT |
| Right ascension (J2000) | 237.8500959° |
| Declination (J2000) | 46.6789383° |
| Dispersion measure | 95.4323273 pc/cm³ |
| SNR | 15.3868427 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Wed, 30 Sep 2026 23:16:34 GMT
AI summary generated Thu, 01 Oct 2026 01:21:24 GMT.