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 Heliophy (21) Exopla (19) Solar System/Planetary Sci (18) Active Galactic Nu (14) Astrobio (14) Galaxy Formation & Evolu (13) Star Formation & Evolu (13) Interstellar Me (12) Cosmo (10) GRBs (10) High-Energy Pheno (10) Supernovae (10) Astronomy Educa (7) Galactic Structure & Stellar Populat (6) Clusters of Galaxies/Large-scale Struc (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division