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 Clusters of Galaxies/Large-scale Struc (2) Cosmo (1) Galaxy Formation & Evolu (1) Star Formation & Evolu (1) State CA (3) CO (1) CT (1) TX (1) Facet State City Facet City Membership Class Div Affil - SPD (1) E (1) ED (1) Full Member (2) Facet Membership Class Division Facet Division