The AAS offices are closed on Wednesday, 19 June 2024, in observance of Juneteenth. The closures include the Executive Office and the Sky & Telescope office.
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 Active Galactic Nu (1) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Galaxy Formation & Evolu (1) (-) Galactic Structure & Stellar Populat (1) State CA (2) HaMerkaz HM (1) NJ (6) (-) MO (1) Facet State City Cambridge (1) Saint Louis (2) Springfield (1) St. Louis (1) (-) Columbia (1) Facet City Membership Class (-) Full Member (1) Facet Membership Class Division Facet Division Showing 1-1 of 1 results Yicheng Guo Full Member Affiliation University of Missouri State/Province MO Country United States