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 (1) State Facet State City Davis (1) Facet City Membership Class E (1) F (2) Facet Membership Class Division DPS (1) HAD (1) HEAD (1) LAD (1) Facet Division