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