STARITHM
CHIME detects Fast Radio Burst with DM=114.03 pc/cm³ at high significance
AI Summary
The CHIME/FRB Real-time Search Pipeline detected FRB 1179281870 on 2026-10-01 at 16:05:21.455 UTC with a signal-to-noise ratio of 12.39 and high importance score (0.977). The burst was observed in the 400-800 MHz band with a dispersion measure of 114.03±0.81 pc/cm³, significantly exceeding the maximum galactic contribution (55.48 pc/cm³), confirming an extragalactic origin. The source is localized to RA=130.99°, Dec=8.90° with ~0.63° positional uncertainty. No follow-up observations have been reported to date.
Measurements
| Event ID | 1179281870 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | medium |
| Trigger time (UTC) | Thu, 01 Oct 2026 16:05:21 GMT |
| Right ascension (J2000) | 130.9874255° |
| Declination (J2000) | 8.9038555° |
| Dispersion measure | 114.0335464 pc/cm³ |
| SNR | 12.393013 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Thu, 01 Oct 2026 16:05:21 GMT
AI summary generated Thu, 01 Oct 2026 19:22:46 GMT.