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 (43) Star Formation & Evolu (36) Galactic Structure & Stellar Populat (30) Cosmo (22) Active Galactic Nu (21) Astronomy Educa (21) Exopla (21) Interstellar Me (21) Solar System/Planetary Sci (18) Clusters of Galaxies/Large-scale Struc (15) GRBs (12) High-Energy Pheno (12) Supernovae (12) Astrobio (9) Heliophy (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division