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 (11) Cosmo (10) Star Formation & Evolu (8) Galactic Structure & Stellar Populat (7) Clusters of Galaxies/Large-scale Struc (6) Interstellar Me (6) Exopla (5) Active Galactic Nu (4) Astronomy Educa (4) GRBs (4) High-Energy Pheno (4) Supernovae (4) Solar System/Planetary Sci (3) Astrobio (2) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division