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 Galaxy Formation & Evolu (37) Star Formation & Evolu (34) Galactic Structure & Stellar Populat (25) Cosmo (23) Interstellar Me (23) Active Galactic Nu (20) Astronomy Educa (20) Exopla (18) Solar System/Planetary Sci (17) Clusters of Galaxies/Large-scale Struc (15) GRBs (15) High-Energy Pheno (15) Supernovae (15) Astrobio (7) Heliophy (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division