gravitational wave

GWTC-5.0 gravitational-wave catalog release

The LIGO–Virgo–KAGRA Collaboration released the GWTC-5.0 results on May 26, 2026.

Key facts

  • Status: scheduled
  • Time precision: unknown
GWTC-5.0 is the fifth edition of the Gravitational-Wave Transient Catalog. According to LIGO’s catalog page, it includes 161 new significant signals from compact-binary coalescences observed during the second part of the fourth observing run (O4b), bringing the cumulative catalog total to 390 detections. This record marks the release of results, not an individual merger.