GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo during the First Half of the Third Observing RunJanuary 1, 2021·LIGO Scientific Collaboration,Virgo Collaboration· 0 min read Cite DOIpublicationLast updated on January 1, 2021 ← Constraints from LIGO O3 data on gravitational-wave emission due to r-modes in the glitching pulsar PSR J0537--6910 January 1, 2021Observation of Gravitational Waves from Two Neutron Star-Black Hole Coalescences January 1, 2021 →