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 Galactic Structure & Stellar Populat (10) Galaxy Formation & Evolu (10) Active Galactic Nu (9) Clusters of Galaxies/Large-scale Struc (9) Interstellar Me (9) Star Formation & Evolu (8) Exopla (7) Astronomy Educa (6) GRBs (5) High-Energy Pheno (5) Supernovae (5) Cosmo (4) Astrobio (3) Heliophy (3) Solar System/Planetary Sci (2) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division