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 Astrobio (1) Exopla (1) Galactic Structure & Stellar Populat (1) Solar System/Planetary Sci (1) State PA (1) Facet State City Facet City Membership Class Facet Membership Class Division HEAD (20) LAD (4) SPD (3) HAD (2) Facet Division