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 (12) Cosmo (9) Clusters of Galaxies/Large-scale Struc (7) Interstellar Me (6) Star Formation & Evolu (6) Exopla (4) Galactic Structure & Stellar Populat (4) Solar System/Planetary Sci (4) Active Galactic Nu (3) Astronomy Educa (3) GRBs (3) High-Energy Pheno (3) Supernovae (3) Astrobio (2) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division