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 (22) Star Formation & Evolu (19) Galactic Structure & Stellar Populat (18) Astronomy Educa (17) Active Galactic Nu (16) Interstellar Me (14) Clusters of Galaxies/Large-scale Struc (13) Solar System/Planetary Sci (13) Cosmo (12) GRBs (10) High-Energy Pheno (10) Supernovae (10) Astrobio (9) Heliophy (9) Exopla (8) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division