CHIME FRB 1171007983 detection retracted by human review
AI Summary
CHIME/FRB initially detected a fast radio burst candidate (FRB 1171007983) on 2026-07-24 at 14:32:18.727 UTC with a signal-to-noise ratio of 13.3 and dispersion measure of 173.07 pc/cm³. The event was localized to RA=39.98°, Dec=27.77° with ~0.5° positional uncertainty across 400-800 MHz. However, the detection has been retracted by human review, indicating the initial trigger was likely a false positive or instrumental artifact rather than a genuine astrophysical transient. No follow-up observations were conducted.
Measurements
| Event ID | 1171007983 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | low |
| Trigger time (UTC) | Fri, 24 Jul 2026 14:32:18 GMT |
| GCN notices | 2 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Fri, 24 Jul 2026 14:32:18 GMT
AI summary generated Mon, 27 Jul 2026 05:57:44 GMT.