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 (15) Solar System/Planetary Sci (3) GRBs (2) High-Energy Pheno (2) Supernovae (2) Active Galactic Nu (1) Astronomy Educa (1) Exopla (1) (-) Cosmo (1) State CO (1) Facet State City Zurich (1) Facet City Membership Class Alumni Affiliate (4) Amateur Affiliate (63) Div Affil - DPS (13) Div Affil - HAD (1) Div Affil - LAD (2) Div Affil - SPS (2) Educator Affiliate (15) Full Emeritus Member (79) Full Member (596) Graduate Student (116) Honorary Member (3) International Affil (18) Undergrad Student (21) (-) Div Affil - SPD (1) Facet Membership Class Division SPD (1) Facet Division Showing 1-1 of 1 results Jan Stenflo Div Affil - SPD Affiliation ETH Zurich State/Province CO Country United States