A strong Fast Radio Burst (FRB) detected by CHIME with high DM, indicating extragalactic origin.
AI Summary
The FRB 1155031997, identified by CHIME, exhibits a dispersion measure (DM) of 549.544617 pc/cm³, significantly exceeding typical Galactic values, suggesting an extragalactic source. The signal-to-noise ratio (SNR) is 15.31, confirming its robust detection.
Measurements
| Event ID | 1155031997 |
|---|---|
| Source | CHIME |
| Alert type | FRB |
| Significance | high |
| Trigger time (UTC) | Fri, 13 Mar 2026 01:56:48 GMT |
| Right ascension (J2000) | 163.2320656° |
| Declination (J2000) | 44.027029° |
| Dispersion measure | 549.5446167 pc/cm³ |
| SNR | 15.3114491 |
| GCN notices | 1 |
| GCN circulars | 0 |
Notices (1)
CHIME — FRB · Fri, 13 Mar 2026 01:56:48 GMT
AI summary generated Sat, 14 Mar 2026 13:22:57 GMT.