CHIME detects FRB 1171915684 with high association probability and significant DM.
AI Summary
The Fast Radio Burst (FRB) event 1171915684 was detected by CHIME on 2026-07-31 at 07:19:53.196 UTC with an association probability of 97.9%. The burst has a dispersion measure (DM) of 176.307 MHz pc and a signal-to-noise ratio (SNR) of 16.84, indicating strong evidence for an astrophysical origin. No GCN Circulars are available yet for detailed follow-up observations.
Measurements
| Event ID | 1171915684 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | medium |
| Trigger time (UTC) | Fri, 31 Jul 2026 07:19:53 GMT |
| Right ascension (J2000) | 289.0905135° |
| Declination (J2000) | 85.7545071° |
| Dispersion measure | 176.3071747 pc/cm³ |
| SNR | 16.8400803 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Fri, 31 Jul 2026 07:19:53 GMT
AI summary generated Fri, 31 Jul 2026 12:05:59 GMT.