Collaboration meeting
Virgo collaboration week
January 27, 2021
Gravitational Waves GroupThe event is taking place online. Christos Karathanasis is contributing a talk: “Joint cosmological and population analyses using events from the first and second GWTC.”
Results
LIGO–Virgo–KAGRA complete their richest gravitational-wave observation run to date
November 18, 2025
The LIGO–Virgo–KAGRA (LVK) Collaboration has announced the completion of O4, the most productive gravitational-wave observation run so far, yielding an unprecedented number of candidate events and high-quality data for the scientific community.
Results
LIGO, Virgo and KAGRA observed 'second generation' black holes for the first time
October 29, 2025
LVK announced the detection of two gravitational-wave signals — designated GW241011 and GW241110 — that indicate the merger of binary black holes exhibiting unusual mass ratios and spin orientations.