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 Galaxy Formation & Evolu (16) Galactic Structure & Stellar Populat (14) Clusters of Galaxies/Large-scale Struc (12) Interstellar Me (12) Active Galactic Nu (10) Astronomy Educa (10) Star Formation & Evolu (10) Exopla (9) Cosmo (8) GRBs (6) High-Energy Pheno (6) Supernovae (6) Heliophy (4) Astrobio (3) Solar System/Planetary Sci (3) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division