An unbiased spectral line survey observation toward the low-mass star-forming region L1527

Kento Yoshida, Nami Sakai, Yuri Nishimura, Tomoya Tokudome, Yoshimasa Watanabe, Takeshi Sakai, Shuro Takano, Satoshi Yamamoto

研究成果: Article

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An unbiased spectral line survey toward a solar-type Class 0/I protostar, IRAS 04368+2557, in L1527 has been carried out in the 3 mm band with the Nobeyama 45 m telescope. L1527 is known as a warm carbon-chain chemistry (WCCC) source, which harbors abundant unsaturated organic species such as CnH (n = 3, 4, 5, ...) in a warm and dense region near the protostar. The observation covers the frequency range from 80 to 116 GHz. A supplementary observation has also been conducted in the 70 GHz band to observe fundamental transitions of deuterated species. In total, 69 molecular species are identified, among which 27 species are carbon-chain species and their isomers, including their minor isotopologues. This spectral line survey provides us with a good template of the chemical composition of the WCCC source.

元の言語English
記事番号S18
ジャーナルPublications of the Astronomical Society of Japan
71
DOI
出版物ステータスPublished - 2019 12 1

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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