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 Galactic Structure & Stellar Populat (1) State AZ (1) Facet State City Arecibo (1) Blue Bell (1) Carlisle (1) Charles Town (1) Dallas (1) Erie (1) Green Bank (1) Greenbelt (1) Haverford (1) Huntingdon (1) Indiana (1) Lancaster (2) Mont Alto (1) Piscataway (1) Pittsburgh (7) Plattsburgh (1) Reading (1) University Park (3) Villanova (1) Washington (1) Facet City Membership Class Facet Membership Class Division Facet Division