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 Galaxy Formation & Evolu (39) Star Formation & Evolu (31) Galactic Structure & Stellar Populat (27) Cosmo (19) Interstellar Me (19) Active Galactic Nu (17) Astronomy Educa (17) Exopla (17) Solar System/Planetary Sci (14) Clusters of Galaxies/Large-scale Struc (13) GRBs (11) High-Energy Pheno (11) Supernovae (11) Astrobio (6) Heliophy (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division