Data and 2D scaling relations for galaxies in Abell 1689: a hint of size evolution at z~0.2
Monthly Notices of the Royal Astronomical Society(2012)
摘要
We present imaging and spectroscopy of Abell 1689 (z= 0.183) from the Gemini multi-object spectrograph (GMOS) on the Gemini North telescope and the Advanced Camera for Surveys (ACS) on the Hubble Space Telescope (HST). We measure integrated photometry from the GMOS g′ and r′ images (for 531 galaxies) and surface photometry from the HSTF625W image (for 43 galaxies) as well as velocities and velocit...
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关键词
galaxies: elliptical and lenticular, CD,galaxies: evolution,galaxies: clusters: individual: Abell 1689
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