CHIME FRB 1170889031 detection retracted by human review
AI Summary
CHIME/FRB initially detected a fast radio burst candidate (FRB 1170889031) on 2026-07-23 at 20:44:47.175 UTC with an SNR of 15.4 and dispersion measure of 296.0 pc/cm³. However, the detection has been retracted through human-issued review of the CHIME/FRB Real-time Search Pipeline alert. The retraction indicates the initial detection did not meet validation criteria upon manual inspection, suggesting it was likely a false positive or instrumental artifact rather than a genuine astrophysical transient.
Measurements
| Event ID | 1170889031 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | low |
| Trigger time (UTC) | Thu, 23 Jul 2026 20:44:47 GMT |
| GCN notices | 2 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Thu, 23 Jul 2026 20:44:47 GMT
AI summary generated Sat, 25 Jul 2026 09:48:12 GMT.