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 (15) Astronomy Educa (15) Galaxy Formation & Evolu (14) Exopla (13) Star Formation & Evolu (13) Astrobio (12) Cosmo (12) Galactic Structure & Stellar Populat (12) Clusters of Galaxies/Large-scale Struc (11) Interstellar Me (11) Solar System/Planetary Sci (11) GRBs (10) High-Energy Pheno (10) Supernovae (10) Heliophy (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division