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 Solar System/Planetary Sci (39) Heliophy (31) Astronomy Educa (27) Star Formation & Evolu (26) Galactic Structure & Stellar Populat (20) Active Galactic Nu (18) Exopla (17) Galaxy Formation & Evolu (16) Cosmo (15) Astrobio (14) Clusters of Galaxies/Large-scale Struc (13) Interstellar Me (13) GRBs (11) High-Energy Pheno (11) Supernovae (11) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division