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 (34) Star Formation & Evolu (29) Galactic Structure & Stellar Populat (23) Interstellar Me (18) Cosmo (17) Exopla (17) Active Galactic Nu (16) Astronomy Educa (16) Solar System/Planetary Sci (14) Clusters of Galaxies/Large-scale Struc (13) GRBs (11) High-Energy Pheno (11) Supernovae (11) Astrobio (6) Heliophy (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division