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 (2) Active Galactic Nu (1) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Galactic Structure & Stellar Populat (1) GRBs (1) High-Energy Pheno (1) Supernovae (1) (-) Interstellar Me (1) State CA (1) Facet State City Baltimore (1) Cambridge (2) Greenbelt (1) Hanover (1) Iowa City (1) Palo Alto (1) Washington (2) (-) Stanford (1) Facet City Membership Class (-) Full Member (1) Facet Membership Class Division HEAD (2) (-) SPD (1) Facet Division Showing 1-1 of 1 results Vahe Petrosian Full Member Affiliation Stanford University State/Province CA Country United States