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    <identifier>10.57760/sciencedb.0111n</identifier>
    <datestamp>2026-09-03T09:27:16Z</datestamp>
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  <dc:date>2026-09-03</dc:date>
  <dc:title>该附录集中说明PGCC样本中两条CO谱线的直接拟合结果，以及由此计算得到的分子气体物理和运动学参数</dc:title>
  <dc:identifier>doi:10.57760/sciencedb.0111n</dc:identifier>
  <dc:language>en</dc:language>
  <dc:description>本附录提供此次巡天所观测PGCC源的完整表格数据及统计结果。表1列出了 12CO 和13CO 发射谱线的高斯拟合结果，包括积分强度、LSR中心速度、半高全宽、主波束亮温及相应的 1&amp;sigma; 拟合误差。表2汇总了每个源推导得到的物理参数，包括激发温度、13CO光学深度、13CO与 H2 柱密度、非热速度弥散、等温声速、三维速度弥散、12CO/13CO积分强度比以及马赫数等。</dc:description>
  <dc:subject>Star formation; Molecular gas;  Survey</dc:subject>
  <dc:creator>Yang Yuebin</dc:creator>
  <dc:creator>Jarken Esimbek</dc:creator>
  <dc:creator>Tie Liu</dc:creator>
  <dc:creator>Willem Baan</dc:creator>
  <dc:creator>Xunchuan Liu</dc:creator>
  <dc:creator>Kee-Tae Kim</dc:creator>
  <dc:creator>Gang Wu</dc:creator>
  <dc:creator>Xindi Tang</dc:creator>
  <dc:creator>Jianjun Zhou</dc:creator>
  <dc:creator>Dalei Li</dc:creator>
  <dc:creator>Yuxin He</dc:creator>
  <dc:creator>Sung-Ju Kang</dc:creator>
  <dc:creator>Yingxiu Ma</dc:creator>
  <dc:creator>Dongdong Zhou</dc:creator>
  <dc:rights>PUBLIC</dc:rights>
  <dc:rights>https://creativecommons.org/publicdomain/zero/1.0/</dc:rights>
  <dc:type>dataset</dc:type>
  <dc:relation>http://www.doi.org/10.3847/1538-3881/ae8cff</dc:relation>
  <dc:publisher>Science Data Bank</dc:publisher>
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