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 (42) Star Formation & Evolu (35) Galactic Structure & Stellar Populat (29) Cosmo (22) Active Galactic Nu (20) Exopla (20) Interstellar Me (20) Astronomy Educa (19) Solar System/Planetary Sci (18) Clusters of Galaxies/Large-scale Struc (14) GRBs (11) High-Energy Pheno (11) Supernovae (11) Astrobio (8) Heliophy (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division