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 Heliophy (134) Solar System/Planetary Sci (57) Star Formation & Evolu (43) Astronomy Educa (37) Exopla (32) GRBs (28) High-Energy Pheno (28) Supernovae (28) Interstellar Me (24) Astrobio (18) Cosmo (18) Galactic Structure & Stellar Populat (17) Clusters of Galaxies/Large-scale Struc (16) Active Galactic Nu (14) Galaxy Formation & Evolu (14) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division