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 Cosmo (4) Galaxy Formation & Evolu (4) Active Galactic Nu (3) Clusters of Galaxies/Large-scale Struc (3) GRBs (3) High-Energy Pheno (3) Supernovae (3) Galactic Structure & Stellar Populat (2) Solar System/Planetary Sci (2) Astrobio (1) Astronomy Educa (1) Interstellar Me (1) State CA (1) HaMerkaz HM (1) NY (1) Facet State City COLUMBUS (1) Piscataway (1) Facet City Membership Class Facet Membership Class Division Facet Division