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