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) Active Galactic Nu (1) Astronomy Educa (1) Clusters of Galaxies/Large-scale Struc (1) Galaxy Formation & Evolu (1) Interstellar Me (1) Star Formation & Evolu (1) State Facet State City Alexandria (2) Arlington (1) Fairfax (1) Greenbelt (1) Springfield (1) Washington (6) Facet City Membership Class Facet Membership Class Division Facet Division