molecules:ism:hc2chs

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molecules:ism:hc2chs [2021/06/30 16:47] muellermolecules:ism:hc2chs [2021/06/30 16:53] mueller
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 **[[https://doi.org/10.1051/0004-6361/202141297|The Sulphur Saga in TMC-1: Discovery of HCSCN and HCSCCH]]**\\ **[[https://doi.org/10.1051/0004-6361/202141297|The Sulphur Saga in TMC-1: Discovery of HCSCN and HCSCCH]]**\\
 //Astron. Astrophys.// **650**, Art. No. L14 (2021).\\ //Astron. Astrophys.// **650**, Art. No. L14 (2021).\\
-HC<sub>2</sub>CHS was identified through //a//-type transitions with 5 ≤ //J// ≤ 8 and //K<sub>a</sub>// ≤ in the course of a molecular line survey of the prototypical cold dark molecular cloud TMC-1 carried out with the Yebes 40 m radio telescope between 32.8 and 49.2 GHz. A value of //T//<sub>rot</sub> = 5.0 K was assumed, in keeping with cyanothioformaldehyde. The column density of HC<sub>2</sub>CHS is about a factor of 5 lower than that of the isovalent HC<sub>2</sub>CHO, similar to the corresponding factor of 10 between thioformaldehyde and formaldehyde. In addition, the column density of HC<sub>2</sub>CHS is about a factor of 4 lower than that of the isoelectronic HC(S)CN; the latter molecule is unusually abundant in TMC-1.\\ +HC<sub>2</sub>CHS was identified through //a//-type transitions, of which 5 appear to be unblended, with 5 ≤ //J// ≤ 8 and //K<sub>a</sub>// ≤ in the course of a molecular line survey of the prototypical cold dark molecular cloud TMC-1 carried out with the Yebes 40 m radio telescope between 32.8 and 49.2 GHz. A value of //T//<sub>rot</sub> = 5.0 K was assumed, in keeping with cyanothioformaldehyde. The column density of HC<sub>2</sub>CHS is about a factor of 5 lower than that of the isovalent HC<sub>2</sub>CHO, similar to the corresponding factor of 10 between thioformaldehyde and formaldehyde. In addition, the column density of HC<sub>2</sub>CHS is about a factor of 4 lower than that of the isoelectronic HC(S)CN; the latter molecule is unusually abundant in TMC-1.\\
  
  
  • molecules/ism/hc2chs.txt
  • Last modified: 2021/06/30 16:57
  • by mueller