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) State Facet State City Chicago (2) Evanston (1) Notre Dame (1) Peoria (1) Facet City Membership Class F (2) Graduate Student (1) Facet Membership Class Division Facet Division