STARITHM
CHIME detects high-confidence FRB with DM=189.25 pc/cm³ at RA=255.18°, Dec=9.36°
AI Summary
The CHIME/FRB Real-time Search Pipeline detected Fast Radio Burst 1182327339 on 2026-10-17 at 23:12:44 UTC with an exceptionally high importance score of 0.9998. The burst exhibits a signal-to-noise ratio of 20.14 across the 400-800 MHz band with a dispersion measure of 189.25±1.62 pc/cm³, suggesting an extragalactic origin. The source is localized to approximately RA=255.18°, Dec=9.36° with a positional uncertainty of ~0.53°, and no follow-up observations have been reported to date.
Measurements
| Event ID | 1182327339 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | medium |
| Trigger time (UTC) | Sat, 17 Oct 2026 23:12:44 GMT |
| Right ascension (J2000) | 255.1759193° |
| Declination (J2000) | 9.3565102° |
| Dispersion measure | 189.2471619 pc/cm³ |
| SNR | 20.1382084 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Sat, 17 Oct 2026 23:12:44 GMT
AI summary generated Sat, 17 Oct 2026 23:31:03 GMT.