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molecules:ism:3b [2020/10/08 15:42] – created muellermolecules:ism:3b [2021/04/12 17:14] (current) mueller
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 **[[https://doi.org/10.3847/2041-8213/aba632|Early Science from GOTHAM: Project Overview, Methods, and the Detection of Interstellar Propargyl Cyanide (HCCCH<sub>2</sub>CN) in TMC-1]]**\\ **[[https://doi.org/10.3847/2041-8213/aba632|Early Science from GOTHAM: Project Overview, Methods, and the Detection of Interstellar Propargyl Cyanide (HCCCH<sub>2</sub>CN) in TMC-1]]**\\
 //Astrophys. J. Lett.// **900**, Art. No. L10 (2020).\\ //Astrophys. J. Lett.// **900**, Art. No. L10 (2020).\\
-The observations were obtained in the course of the line survey Green Bank Telescope Observations of TMC-1: Hunting for Aromatic Molecules. The data were recorded with very high resolution which resolves, at least in part, the complex velocity structure and the <sup>14</sup>N hyperfine structure splitting of the 4<sub>1,3</sub>%%%%3<sub>1,2</sub>, 5<sub>1,5</sub>−4<sub>1,4</sub>, 5<sub>0,5</sub>−4<sub>0,4</sub>, and 5<sub>1,4</sub>−4<sub>1,3</sub> transitions.+The observations were obtained in the course of the line survey Green Bank Telescope Observations of TMC-1: Hunting for Aromatic Molecules. The data were recorded with very high resolution which resolves, at least in part, the complex velocity structure and the <sup>14</sup>N hyperfine structure splitting of the 4<sub>1,3</sub>−3<sub>1,2</sub>, 5<sub>1,5</sub>−4<sub>1,4</sub>, 5<sub>0,5</sub>−4<sub>0,4</sub>, and 5<sub>1,4</sub>−4<sub>1,3</sub> transitions near 22.6, 26.6, 27.3, and 28.2 GHz, respectively, at the expense of noise levels of about the same level as the individual lines. The analysis was improved by employing a stacking technique.\\ 
 + 
 + 
 +N. Marcelino, B. Tercero, M. Agúndez and J. Cernicharo\\ 
 +reported shortly thereafter on\\ 
 +**[[https://doi.org/10.1051/0004-6361/202040177|A study of C<sub>4</sub>H<sub>3</sub>N isomers in TMC-1: Line by line detection of HCCCH<sub>2</sub>CN in TMC-1]]**\\ 
 +//Astron. Astrophys.// **646**, Art. No. L9 (2021).\\ 
 +Several //a//-type transitions and even some weak //b//-type transitions were detected in the course of their molecular line survey carried out with the Yebes 40 m radio-telescope.\\ 
 + 
 + 
 +---- 
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 +Contributor(s): H. S. P. Müller; 10, 2020; 04, 2021 
 + 
 +----
  
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