Optical and HI data of 6 southern galaxy groups
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Multi-wavelength observations of Hickson's Compact Groups (HCGs) have shown that many of these groups are physical bound structures and are in different stage of evolution, from...
希克森致密星系团（Hickson's Compact Groups, HCGs）的多波段观测研究表明，此类星系团中的多数属于物理束缚结构，且处于不同的演化阶段，从……
