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 Astronomy Educa (2) Galaxy Formation & Evolu (2) Active Galactic Nu (1) Cosmo (1) State Facet State City Crawley (1) Seattle (1) Winthrop (1) Facet City Membership Class Facet Membership Class Division DPS (1) Facet Division