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    • Origin of color gradients in elliptical galaxies 

      Tamura, N; Kobayashi, Chiaki; Arimoto, N; Ohta, K; Kodama, Tadayuki (2000-05)
      The origin of color gradients in elliptical galaxies is examined by comparing model gradients with those observed in the Hubble Deep Field. The models are constructed so as to reproduce color gradients in local elliptical ...