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HD Molecules in Milky Way

  • 期刊论文

  • 发表日期：

    2024年6月1日

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  • D. N. Kosenko,
  • S. A. Balashev

摘要

Abstract

We have provided an independent analysis of HD and H2 absorption lines in several systems in our Galaxy using FUSE space telescope archival data and neutral carbon and metal lines in these systems using HST archival data. The obtained HD column densities lie in the range from ∼1014 to ∼1016 cm–2. The obtained column densities were used to estimate physical conditions in the analyzed systems, including cosmic ray ionization rate, which were obtained in the range from ζ ∼ 10–17 to ∼10−15.5 s–1.