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 Exopla (145) Star Formation & Evolu (139) Solar System/Planetary Sci (131) Astronomy Educa (119) Galaxy Formation & Evolu (116) Cosmo (104) Active Galactic Nu (97) GRBs (96) High-Energy Pheno (96) Supernovae (96) Interstellar Me (93) Galactic Structure & Stellar Populat (86) Clusters of Galaxies/Large-scale Struc (77) Astrobio (65) Heliophy (58) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division