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 (42) Star Formation & Evolu (36) Galactic Structure & Stellar Populat (29) Cosmo (24) Astronomy Educa (21) Exopla (21) Active Galactic Nu (20) Interstellar Me (20) Solar System/Planetary Sci (20) Clusters of Galaxies/Large-scale Struc (14) GRBs (13) High-Energy Pheno (13) Supernovae (13) Astrobio (9) Heliophy (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division