STARITHM
CHIME detects Fast Radio Burst with DM=788.9 at RA=212.62°, Dec=24.22°
AI Summary
CHIME/FRB Real-time Search Pipeline identified a Fast Radio Burst (FRB) on 2026-09-12 at 22:44:53.995 UTC with high confidence (importance=0.9999). The burst exhibits a dispersion measure of 788.93±0.40 pc/cm³, significantly exceeding the Galactic maximum (21.98 pc/cm³), indicating an extragalactic origin. Detection parameters include SNR=14.29 across 400-800 MHz with 0.49° localization uncertainty. No follow-up observations or human-written circulars are currently available for this event.
Measurements
| Event ID | 1177145871 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | medium |
| Trigger time (UTC) | Sat, 12 Sep 2026 22:44:53 GMT |
| Right ascension (J2000) | 212.6214157° |
| Declination (J2000) | 24.2155185° |
| Dispersion measure | 788.9342041 pc/cm³ |
| SNR | 14.2850904 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Sat, 12 Sep 2026 22:44:53 GMT
AI summary generated Sun, 13 Sep 2026 04:03:30 GMT.