GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs
B.~P. Abbott, R. Abbott, T.~D. Abbott, S. Abraham, F. Acernese, K. Ackley, C. Adams, R.~X. Adhikari, V.~B. Adya, et al
July 2019