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 Facet City Membership Class Facet Membership Class Division HEAD (8) SPD (2) HAD (1) LAD (1) Facet Division