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 Heliophy (144) Solar System/Planetary Sci (61) Star Formation & Evolu (50) Astronomy Educa (42) Exopla (37) GRBs (32) High-Energy Pheno (32) Supernovae (32) Interstellar Me (29) Cosmo (25) Clusters of Galaxies/Large-scale Struc (24) Galactic Structure & Stellar Populat (24) Active Galactic Nu (22) Astrobio (21) Galaxy Formation & Evolu (21) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division