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--- molecules:ism:h2c3h-plus [2023/07/27 13:55] – created mueller
+++ molecules:ism:h2c3h-plus [2023/08/10 15:15] (current) – mueller
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-===== On the Detection of Propadieneylium, H2C3H+, in Space =====
+===== On the Detection of Propadienylium, H2C3H+, in Space =====
-W. G. D. P. Silva, J. Cernicharo, S. Schlemmer, N. Marcelino, J.-C. Loison, M. Agúndez, D. Gupta, V. Wakelam, S. Thorwirth, C. Cabezas, B. Tercero, J. L. Doménech, R. Fuentetaja, W.-J. Kim, P. de Vicente, and O. Asvany//
+W. G. D. P. Silva, J. Cernicharo, S. Schlemmer, N. Marcelino, J.-C. Loison, M. Agúndez, D. Gupta, V. Wakelam, S. Thorwirth, C. Cabezas, B. Tercero, J. L. Doménech, R. Fuentetaja, W.-J. Kim, P. de Vicente, and O. Asvany\\
-announced the//
+announced the\\
-**[[https://doi.org/10.1051/0004-6361/201527460|Discovery of H2CCCH+ in TMC-1]]**,\\
+**[[https://doi.org/10.1051/0004-6361/202347174|Discovery of H2CCCH+ in TMC-1]]**,\\
 //Astron. Astrophys.// **676**, Art. No. L1 (2023)\\
+Three //a//-type transitions with //J// = 2 − 1 around 38 GHz and one transition near 95.9 GHz were detected with good signal-to-noise ratio in the course of the QUIJOTE line survey carried out with the Yebes 40 m and IRAM 30 m dishes. Only one transition was marginally blended. The molecular cation is only about a factor of three less abundant than the unprotonated propadienylidene.\\
+\\
+----
+Contributor(s): H. S. P. Müller; 07, 2023
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