Color/age/metallicity gradients of E galaxies
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In order to understand the past merging history of elliptical galaxies, we studied the optical-near-infrared (NIR) color gradients of 204 elliptical galaxies. These galaxies are...
为探究椭圆星系的过往并合历史,我们对204个椭圆星系的光学-近红外(NIR)颜色梯度展开了研究。这些星系为……



