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 Star Formation & Evolu (1) State Facet State City Philadelphia (1) Tempe (2) Tucson (5) Facet City Membership Class Div Affil - DPS (2) E (2) F (2) Full Member (3) Facet Membership Class Division Facet Division