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 O4b.
  • Less-significant events are not shown by default. Press "Show All Public Events" to show significant and less-significant events.

O4b Significant Detection Candidates: 1 (1 Total - 0 Retracted)

O4b Low Significance Detection Candidates: 0 (Total)


Show All Public Events

Event ID Possible Source (Probability) Significant UTC GCN Location FAR Comments GPS
S240417a Yes 1397419077.31April 17, 2024
19:57:39 UTC
GCN Circular Query
Notices | VOE
No public skymap image found. 0.000000000000000051201 per 6.1894e+08 years 1397419077.31