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 (17) Galaxy Formation & Evolu (16) GRBs (15) High-Energy Pheno (15) Supernovae (15) Solar System/Planetary Sci (11) Active Galactic Nu (10) Exopla (10) Astronomy Educa (9) Clusters of Galaxies/Large-scale Struc (9) Star Formation & Evolu (9) Galactic Structure & Stellar Populat (7) Interstellar Me (7) Heliophy (5) Astrobio (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division