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THE MAGELLANIC STREAM AND DEBRIS CLOUDS

机译:麦哲伦流和碎片云

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We present a study of the discrete clouds and filaments in the Magellanic Stream using a new high-resolution survey of neutral hydrogen (H I) conducted with the H75 array of the Australia Telescope Compact Array, complemented by single-dish data from the Parkes Galactic All-Sky Survey. From the individual and combined data sets, we have compiled a catalog of 251 clouds and listed their basic parameters, including a morphological description useful for identifying cloud interactions. We find an unexpectedly large number of head-tail clouds in the region. The implication for the formation mechanism and evolution is discussed. The filaments appear to originate entirely from the Small Magellanic Cloud and extend into the northern end of the Magellanic Bridge.
机译:我们使用澳大利亚望远镜紧凑阵列的H75阵列进行了新的高分辨率中性氢(HI)调查,并结合了Parkes Galactic All的单碟数据,对麦哲伦流中的离散云和细丝进行了研究。 -天空调查。根据单独的数据集和组合的数据集,我们编制了251种云的目录,并列出了它们的基本参数,包括可用于识别云相互作用的形态描述。我们发现该地区有大量头尾云。讨论了其形成机理和演变的意义。这些细丝似乎完全来自麦哲伦小云,并延伸到麦哲伦桥的北端。

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