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 Heliophy (2) Astrobio (1) State CA (2) DE (1) IA (1) MD (1) Facet State City Facet City Membership Class F (1) Graduate Student (1) Facet Membership Class Division Facet Division