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| molecules:ism:c5h-plus [2022/03/08 16:14] – created mueller | molecules:ism:c5h-plus [2022/03/08 16:25] (current) – mueller |
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| ===== On the Detection of Pentadiynylidynium, C<sub>3</sub>H<sup>+</sup>, in Space ===== | ===== On the Detection of Pentadiynylidynium, C<sub>5</sub>H<sup>+</sup>, in Space ===== |
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| | J. Cernicharo, M. Agúndez, C. Cabezas, R. Fuentetaja, B. Tercero, N. Marcelino, Y. Endo, J. R. Pardo, and P. de Vicente\\ |
| | reported on the\\ |
| | **[[https://doi.org/10.1051/0004-6361/202142992|Discovery of C<sub>5</sub>H<sup>+</sup> and Detection of C<sub>3</sub>H<sup>+</sup> in TMC-1 with the QUIJOTE Line Survey]]**,\\ |
| | //Astron. Astrophys.// **657**, Art. No. L16 (2022).\\ |
| | Pentadiynylidynium, C<sub>5</sub>H<sup>+</sup>, was identified through four successive transitions, //J// = 7 − 6 near 33.8 GHz to //J// = 10 − 9 near 48.2 GHz, in the course of a line survey carried out with the 40 m Yebes radio telescope. The molecule is a factor of 3.7 ± 0.5 more abundant than C<sub>3</sub>H<sup>+</sup>, which was explained by the reactivity of the latter with H<sub>2</sub> through chemical modeling.\\ |
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| | Contributor(s): H. S. P. Müller; 03, 2022 |
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