LIGO/Virgo/KAGRA Public Alerts

  • More details about public alerts are provided in the LIGO/Virgo/KAGRA Alerts User Guide.
  • Retractions are marked in red. Retraction means that the candidate was manually vetted and is no longer considered a candidate of interest.
  • Less-significant events are marked in grey, and are not manually vetted. Consult the LVK Alerts User Guide for more information on significance in O4c.
  • Less-significant events are not shown by default. Press "Show All Public Events" to show significant and less-significant events.

O4c Significant Detection Candidates: 54 (61 Total - 7 Retracted)

O4c Low Significance Detection Candidates: 1436 (Total)


Show All Public Events

Event ID Possible Source (Probability) Significant UTC GCN Location FAR Comments GPS
S250202ad BNS (96%), Terrestrial (4%) Yes 1422505242.54Feb. 2, 2025
04:20:24 UTC
GCN Circular Query
Notices | VOE
0.000000004436062047521 per 7.1433 years RETRACTED 1422505242.54