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 (2) State Facet State City Amsterdam (1) Calgary (1) Ellicott City (1) Gainesville (1) La Crescenta (1) Leiderdorp (1) Facet City Membership Class Facet Membership Class Division Facet Division