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 (28) Heliophy (19) Star Formation & Evolu (14) Astronomy Educa (11) Exopla (11) Galaxy Formation & Evolu (9) Astrobio (7) Interstellar Me (7) Active Galactic Nu (6) Cosmo (6) Galactic Structure & Stellar Populat (6) Clusters of Galaxies/Large-scale Struc (5) GRBs (5) High-Energy Pheno (5) Supernovae (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division