CHIME detects FRB 1181895130 with high significance and large dispersion measure
AI Summary
The CHIME/FRB Real-time Search Pipeline detected a fast radio burst on 2026-10-14 at 18:57:44 UTC with a signal-to-noise ratio of 14.56 and high importance score (0.9998). The burst exhibits a dispersion measure of 1585.96 pc/cm³ (±0.81), significantly exceeding the Galactic maximum of 33.45 pc/cm³, indicating an extragalactic origin. The event was localized to RA 188.21°, Dec 63.16° with positional uncertainty of ~0.47° and observed across the 400-800 MHz band. No follow-up observations or additional circulars have been reported at this time.
Measurements
| Event ID | 1181895130 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | medium |
| Trigger time (UTC) | Wed, 14 Oct 2026 18:57:44 GMT |
| Right ascension (J2000) | 188.2083887° |
| Declination (J2000) | 63.1622875° |
| Dispersion measure | 1585.9559326 pc/cm³ |
| SNR | 14.5626421 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Wed, 14 Oct 2026 18:57:44 GMT
AI summary generated Wed, 14 Oct 2026 22:48:09 GMT.