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机译:Star clusters in M31. II. Old cluster metallicities and ages from hectospec data
Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, United States;
Gemini Observatory, 670 North A'ohoku Place, Hilo, HI 96720, United States;
Department of Astronomy, Case Western Reserve University, Cleveland, OH 44106-7215, United StatesDepartment of Physics and Astronomy, University of North Carolina, Chapel Hill, NC 27599, United States;
Catalogs; Galaxies: Individual (M31); Galaxies: Star clusters: General; Globular clusters: General;