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 (36) Star Formation & Evolu (36) Galactic Structure & Stellar Populat (25) Cosmo (22) Interstellar Me (22) Astronomy Educa (21) Active Galactic Nu (20) Exopla (17) Solar System/Planetary Sci (17) GRBs (15) High-Energy Pheno (15) Supernovae (15) Clusters of Galaxies/Large-scale Struc (14) Astrobio (6) Heliophy (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division