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 Cosmo (2) Star Formation & Evolu (2) Galactic Structure & Stellar Populat (1) Galaxy Formation & Evolu (1) State MA (1) Facet State City Facet City Membership Class Full Member (6) Facet Membership Class Division Facet Division