The morphology of multiple-nucleus brightest cluster galaxies
The morphology of multiple-nucleus brightest cluster galaxies
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DOI：
10.1086/165982
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发表时间：
1988-02
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影响因子：
--
通讯作者：
T. Lauer
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文献类型：
--
作者：
T. Lauer
利用一种将星系图像模拟为正常椭圆星系视线叠加的算法，研究了16个多核最亮星系团的高信噪比CCD图像的形态。该算法最初应用于经典的多核cD星系A2199。证据表明，深互穿高速遇到其secondaries。研究的相互作用效应包括非中心等照度线，亮度剖面效应，多余的光周围的主要星系，和动力学摩擦尾流。结果表明，在许多情况下，多个系统是相互作用的系统。42篇参考文献。
The morphology of high SNR CCD images of 16 multiple-nucleus brightest cluster galaxies is studied using an algorithm that models images of the systems as the line-of-sight superposition of normal elliptical galaxies. The algorithm is applied initially to the classic multiple-nucleus cD galaxy in A2199. Evidence is found suggestive of deep interpenetrating high-speed encounters by its secondaries. The interactions effects studied include noncentric isophotes, brightness profile effects, excess light around primary galaxies, and dynamical friction wakes. The results show that in many cases multiple systems are interacting systems. 42 references.