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 Active Galactic Nu (1) Galaxy Formation & Evolu (1) Star Formation & Evolu (1) State AZ (8) Facet State City Berkeley (1) Germantown (1) Greenbelt (1) Washington (3) Facet City Membership Class Facet Membership Class Division Facet Division