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 (48) Star Formation & Evolu (37) Galactic Structure & Stellar Populat (31) Cosmo (23) Active Galactic Nu (22) Interstellar Me (22) Exopla (21) Astronomy Educa (20) Solar System/Planetary Sci (20) Clusters of Galaxies/Large-scale Struc (19) 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