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--- molecules:ism:mec3n [2019/10/24 09:37] – mueller
+++ molecules:ism:mec3n [2021/06/22 15:18] – mueller
@@ Line 5: / Line 5: @@
 **[[https://ui.adsabs.harvard.edu/abs/1984ApJ...276L..25B|Detection of Interstellar Methylcyanoacetylene]]**\\
 //Astrophys. J.// **276**, L25–L29 (1984).\\
-In addition, the //J// = 5 – 4, //K// = 0 transition was barely detected.
+In addition, the //J// = 5 – 4, //K// = 0 transition was barely detected.\\
+C. Cabezas, E. Roueff, B. Tercero, M. Agúndez, N. Marcelino, P. de Vicente, and J. Cernicharo\\
+reported on\\
+**[[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.// **650**, Art. No. L15 (2021).\\
+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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-Contributor(s): H. S. P. Müller; 08, 2012
+Contributor(s): H. S. P. Müller; 08, 2012; 06, 2021
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