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| molecules:ism:mec3n [2021/06/22 15:11] – mueller | molecules:ism:mec3n [2021/06/22 15:19] (current) – mueller |
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| C. Cabezas, E. Roueff, B. Tercero, M. Agúndez, N. Marcelino, P. de Vicente, and J. Cernicharo\\ | C. Cabezas, E. Roueff, B. Tercero, M. Agúndez, N. Marcelino, P. de Vicente, and J. Cernicharo\\ |
| reported on\\ | reported on the\\ |
| **[[https://doi.org/10.1051/0004-6361/202140434|Discovery of CH<sub>2</sub>CHCCH and detection of HCCN, HC<sub>4</sub>N, CH<sub>3</sub>CH<sub>2</sub>CN, and, tentatively, CH<sub>3</sub>CH<sub>2</sub>CCH in TMC-1]]**\\ | **[[https://doi.org/10.1051/0004-6361/202141371|Detection of deuterated methylcyanoacetylene, CH<sub>2</sub>DC<sub>3</sub>N, in TMC-1]]**\\ |
| //Astron. Astrophys.// **647**, Art. No. L2 (2021).\\ | //Astron. Astrophys.// **650**, Art. No. L15 (2021).\\ |
| Butenyne, aka vinylacetylene, was identified through 6 //a//-type transitions with 3 ≤ //J// ≤ 5 and //K<sub>a</sub>// = 0 and 1 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 ± 0.5 K was derived. The column density of butenyne is about a factor of 1.8 higher than that of the isoelectronic vinyl cyanide.\\ | The molecule was identified through 15 //a//-type transitions with 7 ≤ //J// ≤ 12 and //K<sub>a</sub>// = 0 and 1 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 31.0 and 50.4 GHz. A value of //T//<sub>rot</sub> = 8.0 ± 0.5 K was derived. The column density of monodeuterated methylcyanoacetylene is about a factor of 22 lower than that of the fully hydrogenated isotopolog; thus the H/D ratio per H atom is about 66.\\ |
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