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 (3) Star Formation & Evolu (3) Heliophy (2) Exopla (1) Solar System/Planetary Sci (1) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division