Member Directory The AAS maintains a membership directory to facilitate member interaction and to support the conduct of official Society business. Search directory for: Filter Results By Clear Filters Type of Science Solar System/Planetary Sci (5) Active Galactic Nu (1) Astrobio (1) Exopla (1) Galactic Structure & Stellar Populat (1) State Facet State City Lexington (1) Facet City Membership Class Facet Membership Class Division HEAD (13) SPD (5) LAD (4) HAD (1) Facet Division