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 Solar System/Planetary Sci (26) Exopla (25) Heliophy (22) Star Formation & Evolu (19) Active Galactic Nu (18) Galaxy Formation & Evolu (16) Astrobio (15) Astronomy Educa (14) GRBs (13) High-Energy Pheno (13) Supernovae (13) Interstellar Me (12) Cosmo (11) Galactic Structure & Stellar Populat (8) Clusters of Galaxies/Large-scale Struc (7) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division