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 (9) Cosmo (7) Clusters of Galaxies/Large-scale Struc (6) Star Formation & Evolu (5) Galactic Structure & Stellar Populat (4) Interstellar Me (4) Active Galactic Nu (3) Exopla (3) GRBs (3) High-Energy Pheno (3) Solar System/Planetary Sci (3) Supernovae (3) Astronomy Educa (2) Astrobio (1) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division