molecules:ism:hc3s [CDMS classic documentation]

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===== Detection of Ethynylthioxomethylium, HC3S+, in the ISM =====

J. Cernicharo, C. Cabezas, Y. Endo, N. Marcelino, M. Agúndez, B. Tercero, J. D. Gallego, and P. de Vicente\\
reported on the\\
**[[https://doi.org/10.1051/0004-6361/202040013|Space and laboratory discovery of HC<sub>3</sub>S<sup>+</sup>]]**\\
//Astron Astrophys.// **646**, Art. No. L3 (2021).\\
The //J"// = 5 to 8 transitions between 32.8 and 49.2 GHz were detected 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. The identity was confirmed through laboratory measurements. The C<sub>3</sub>S to HC<sub>3</sub>S<sup>+</sup> ratio is 65 ± 20, and the HC<sub>3</sub>O<sup>+</sup> to HC<sub>3</sub>S<sup>+</sup> ratio is 1.0 ± 0.5. The C<sub>3</sub>O to C<sub>3</sub>S ratio, in contrast, is ~0.11.


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Contributor(s): H. S. P. Müller 02, 2021

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