Bayesian inference on LVK O1-O3 events with eccentric aligned-spin waveforms yields log10 Bayes factors of 1.77-4.75 favoring eccentricity for GW200129, GW190701 and GW200208_22, and >99.5% probability that at least one of 57 events is eccentric under an astrophysically motivated rate prior.
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GWTC-3 yields BNS merger rates of 10-1700 Gpc^{-3} yr^{-1}, NS-BH rates of 7.8-140, BBH rates of 17.9-44 at z=0.2 with (1+z)^{2.9} evolution, plus mass distributions showing peaks at chirp masses 8.3 and 27.9 solar masses and a sharp drop after the neutron-star maximum mass.
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Evidence for eccentricity in the population of binary black holes observed by LIGO-Virgo-KAGRA
Bayesian inference on LVK O1-O3 events with eccentric aligned-spin waveforms yields log10 Bayes factors of 1.77-4.75 favoring eccentricity for GW200129, GW190701 and GW200208_22, and >99.5% probability that at least one of 57 events is eccentric under an astrophysically motivated rate prior.
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The population of merging compact binaries inferred using gravitational waves through GWTC-3
GWTC-3 yields BNS merger rates of 10-1700 Gpc^{-3} yr^{-1}, NS-BH rates of 7.8-140, BBH rates of 17.9-44 at z=0.2 with (1+z)^{2.9} evolution, plus mass distributions showing peaks at chirp masses 8.3 and 27.9 solar masses and a sharp drop after the neutron-star maximum mass.