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 (22) Exopla (19) Solar System/Planetary Sci (19) Astrobio (14) Active Galactic Nu (13) Star Formation & Evolu (13) Galaxy Formation & Evolu (12) GRBs (12) High-Energy Pheno (12) Interstellar Me (12) Supernovae (12) Cosmo (11) Astronomy Educa (7) Galactic Structure & Stellar Populat (6) Clusters of Galaxies/Large-scale Struc (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division