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