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 Cosmo (10) Galaxy Formation & Evolu (10) Interstellar Me (9) Galactic Structure & Stellar Populat (8) Clusters of Galaxies/Large-scale Struc (6) GRBs (6) High-Energy Pheno (6) Supernovae (6) Active Galactic Nu (5) Astronomy Educa (5) Star Formation & Evolu (5) Exopla (4) Solar System/Planetary Sci (4) Astrobio (2) Heliophy (1) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division