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) Galactic Structure & Stellar Populat (1) Star Formation & Evolu (1) State Facet State City Cambridge (1) Facet City Membership Class F (1) Facet Membership Class Division Facet Division