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 Exopla (17) Star Formation & Evolu (17) Solar System/Planetary Sci (16) Astronomy Educa (15) Galactic Structure & Stellar Populat (15) Galaxy Formation & Evolu (12) GRBs (12) High-Energy Pheno (12) Supernovae (12) Cosmo (10) Astrobio (8) Clusters of Galaxies/Large-scale Struc (7) Interstellar Me (7) Active Galactic Nu (5) Heliophy (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division