STARITHM
CHIME detects subsequent FRB burst from known source with high association confidence
AI Summary
CHIME/FRB Real-time Search Pipeline detected a Fast Radio Burst (FRB) on 2026-10-05 at 15:57:47.467 UTC, classified as a subsequent detection from known source 256773969. The burst exhibits a dispersion measure of 19.01 ± 0.40 pc/cm³ with a signal-to-noise ratio of 12.29, localized to RA 133.66°, Dec 54.85° with ~0.79° positional uncertainty. The 99.99% association probability with the known source and high importance score (0.9998) indicate a reliable detection, though no follow-up observations have been reported.
Measurements
| Event ID | 1180406324 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | medium |
| Trigger time (UTC) | Mon, 05 Oct 2026 15:57:47 GMT |
| Right ascension (J2000) | 133.6644677° |
| Declination (J2000) | 54.8534082° |
| Dispersion measure | 19.0055904 pc/cm³ |
| SNR | 12.2854099 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Mon, 05 Oct 2026 15:57:47 GMT
AI summary generated Mon, 05 Oct 2026 20:27:24 GMT.