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) Astronomy Educa (1) State Facet State City Chadds Ford (1) Poughkeepsie (1) Facet City Membership Class Facet Membership Class Division HEAD (4) DDA (1) DPS (1) Facet Division