TY - JOUR T1 - Directional limits on persistent gravitational waves using data from Advanced LIGO’s first two observing runs JO - Physical Review D UR - https://doi.org/10.1103/physrevd.100.062001 PY - 2019/09/04 AU - Abbott BP AU - Abbott R AU - Abbott TD AU - Abraham S AU - Acernese F AU - Ackley K AU - Adams C AU - Adhikari RX AU - Adya VB AU - Affeldt C AU - Agathos M et al ED - DO - DOI: 10.1103/physrevd.100.062001 PB - American Physical Society (APS) VL - 100 IS - 6 Y2 - 2025/11/23 ER -