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 (13) Galaxy Formation & Evolu (13) Clusters of Galaxies/Large-scale Struc (12) Interstellar Me (12) Active Galactic Nu (11) Star Formation & Evolu (10) Exopla (9) Astronomy Educa (8) GRBs (7) High-Energy Pheno (7) Supernovae (7) Cosmo (5) Astrobio (4) Solar System/Planetary Sci (4) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division