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 (44) Star Formation & Evolu (39) Galactic Structure & Stellar Populat (30) Cosmo (23) Interstellar Me (23) Exopla (22) Active Galactic Nu (21) Astronomy Educa (19) Solar System/Planetary Sci (19) Clusters of Galaxies/Large-scale Struc (16) GRBs (13) High-Energy Pheno (13) Supernovae (13) Astrobio (9) Heliophy (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division