Early Results of the 3 mm Spectral Line Survey toward the Lynds 1157 B1 Shocked Region
Early Results of the 3 mm Spectral Line Survey toward the Lynds 1157 B1 Shocked Region
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Lynds 1157 B1 震波区域 3 毫米谱线勘测的早期结果
DOI:
10.1093/pasj/63.2.459
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发表时间:
2011
期刊:
影响因子:
--
通讯作者:
and S. Yamamoto
中科院分区:
文献类型:
--
作者:
M. Sugimura;T. Yamaguchi;T. Sakai;T. Umemoto;N. Sakai;S. Takano;Y. Aikawa;N. Hirano;S.-Y. Liu;T.J. Millar;H. Nomura;Y.-N. Su;S. Takakuwa;and S. Yamamoto
We have conducted a sensitive 3 mm observation toward the shocked region, Lynds 1157 B1, which is an interaction spot between a molecular outflow and its ambient gas. We have successfully detected the CHCHO, HCOOCH, and HCOOH lines, as well as the CHDOH line. The abundances of these molecules relative to CHOH are found to be lower than those in the low-mass star-forming core, IRAS 162932422. Since these molecules are thought to evaporate from grain mantles, the observational results mean that complex molecules are less abundant in grain mantles residing in the ambient cloud surrounding a prestellar/protostellar core. Instead, efficient formation of the complex organic species and deuterated species should take place in a prestellar/protostellar core. The present result verifies the importance of an unbiased line survey of this source.
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DOI:
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发表时间:
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期刊:
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DOI:
10.1086/186431
发表时间:
1992
期刊:
The Astrophysical Journal
影响因子:
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发表时间:
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期刊:
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