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 Active Galactic Nu (28) Star Formation & Evolu (28) GRBs (25) High-Energy Pheno (25) Supernovae (25) Exopla (24) Cosmo (21) Galaxy Formation & Evolu (18) Interstellar Me (17) Clusters of Galaxies/Large-scale Struc (16) Solar System/Planetary Sci (15) Galactic Structure & Stellar Populat (13) Astronomy Educa (11) Heliophy (7) Astrobio (6) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division