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 (40) Star Formation & Evolu (35) Galactic Structure & Stellar Populat (28) Cosmo (24) Interstellar Me (24) Astronomy Educa (20) Active Galactic Nu (19) Exopla (18) Solar System/Planetary Sci (17) Clusters of Galaxies/Large-scale Struc (15) GRBs (14) High-Energy Pheno (14) Supernovae (14) Astrobio (6) Heliophy (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division