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) Cosmo (1) Galactic Structure & Stellar Populat (1) GRBs (1) High-Energy Pheno (1) Interstellar Me (1) Supernovae (1) (-) Clusters of Galaxies/Large-scale Struc (1) State CA (1) Facet State City Baltimore (1) Calgary (1) Cambridge (1) Columbus (1) Corvallis (1) Grand Forks (1) Iowa City (1) La Jolla (1) Merced (1) Palo Alto (1) Sparks (1) Tucson (1) (-) Stanford (1) Facet City Membership Class Full Member (1) Facet Membership Class Division HEAD (3) (-) SPD (1) Facet Division Showing 1-1 of 1 results Vahe Petrosian Full Member Affiliation Stanford University State/Province CA Country United States