CHIME detects subsequent FRB burst associated with known source 1155103352
AI Summary
The CHIME/FRB Real-time Search Pipeline detected a Fast Radio Burst (FRB) on 2026-07-10 at 08:54:18.484 UTC with high association probability (97.5%) to known source 1155103352, indicating a likely repeating FRB. The burst exhibits a dispersion measure of 172.67 pc/cm³ with SNR of 13.56, observed across the 400-800 MHz band with 2 polarizations. The event is well-localized to RA 290.80°, Dec 86.20° with positional uncertainty of 7.33 arcminutes, and carries high importance score (0.9999), warranting continued monitoring of this repeating source.
Measurements
| Event ID | 1169928441 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | medium |
| Trigger time (UTC) | Fri, 10 Jul 2026 08:54:18 GMT |
| Right ascension (J2000) | 290.8007429° |
| Declination (J2000) | 86.1957831° |
| Dispersion measure | 172.6678162 pc/cm³ |
| SNR | 13.5641785 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Fri, 10 Jul 2026 08:54:18 GMT
AI summary generated Fri, 17 Jul 2026 15:06:49 GMT.