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