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 (48) Star Formation & Evolu (38) Galactic Structure & Stellar Populat (34) Cosmo (26) Interstellar Me (24) Astronomy Educa (23) Exopla (22) Active Galactic Nu (21) Solar System/Planetary Sci (19) Clusters of Galaxies/Large-scale Struc (17) GRBs (12) High-Energy Pheno (12) Supernovae (12) Astrobio (8) Heliophy (5) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division