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 GRBs (1) High-Energy Pheno (1) Supernovae (1) State MD (1) Facet State City College Park (2) Greenbelt (1) Washington (5) Facet City Membership Class Facet Membership Class Division Facet Division