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 (7) Astrobio (2) Exopla (2) Active Galactic Nu (1) Galactic Structure & Stellar Populat (1) State Facet State City Hanover (1) Lexington (1) Facet City Membership Class Facet Membership Class Division HEAD (16) SPD (5) HAD (3) LAD (2) Facet Division