TY - JOUR T1 - GWTC-2.1: Deep extended catalog of compact binary coalescences observed by LIGO and Virgo during the first half of the third observing run JO - Physical Review D UR - https://doi.org/10.1103/physrevd.109.022001 PY - 2024/01/05 AU - Abbott R AU - Abbott TD AU - Acernese F AU - Ackley K AU - Adams C AU - Adhikari N AU - Adhikari RX AU - Adya VB AU - Affeldt C AU - Agarwal D AU - Agathos M et al ED - DO - DOI: 10.1103/physrevd.109.022001 PB - American Physical Society (APS) VL - 109 IS - 2 Y2 - 2025/04/28 ER -