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 (46) Star Formation & Evolu (37) Galactic Structure & Stellar Populat (29) Cosmo (28) Active Galactic Nu (23) Exopla (21) Interstellar Me (20) Astronomy Educa (19) Solar System/Planetary Sci (18) Clusters of Galaxies/Large-scale Struc (17) GRBs (14) High-Energy Pheno (14) Supernovae (14) Astrobio (8) Heliophy (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division