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) Clusters of Galaxies/Large-scale Struc (1) Star Formation & Evolu (1) State TX (1) Facet State City Baltimore (1) Catonsville (1) College Park (1) Germantown (1) Silver Spring (1) Washington (1) Facet City Membership Class F (7) Facet Membership Class Division DPS (1) Facet Division