STARITHM
CHIME detects high-confidence FRB with DM=801.47 pc/cm³ at RA=230.57°, Dec=27.14°
AI Summary
The CHIME/FRB Real-time Search Pipeline detected a Fast Radio Burst (FRB) on 2026-10-10 at 22:05:28.822 UTC with an importance score of 0.9999, indicating high confidence in the detection. The burst exhibits a dispersion measure of 801.47±0.81 pc/cm³, significantly exceeding the maximum Galactic contribution (25.08 pc/cm³), confirming an extragalactic origin. The event was detected with SNR=16.39 across the 400-800 MHz band with 2 polarizations, localized to ±0.49° in both RA and Dec. No follow-up observations or human-written circulars have been submitted yet.
Measurements
| Event ID | 1181253719 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | medium |
| Trigger time (UTC) | Sat, 10 Oct 2026 22:05:28 GMT |
| Right ascension (J2000) | 230.5703674° |
| Declination (J2000) | 27.1424971° |
| Dispersion measure | 801.4697876 pc/cm³ |
| SNR | 16.3903637 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Sat, 10 Oct 2026 22:05:28 GMT
AI summary generated Mon, 12 Oct 2026 10:43:00 GMT.