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 (20) Exopla (17) Solar System/Planetary Sci (16) Active Galactic Nu (15) Galaxy Formation & Evolu (13) Star Formation & Evolu (13) Interstellar Me (10) Astrobio (9) Cosmo (9) GRBs (9) High-Energy Pheno (9) Supernovae (9) Astronomy Educa (8) Galactic Structure & Stellar Populat (5) Clusters of Galaxies/Large-scale Struc (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division