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| molecules:ism:other_c6h2 [2022/11/17 12:47] – created mueller | molecules:ism:other_c6h2 [2022/11/17 13:05] (current) – mueller |
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| **[[https://doi.org/10.1051/0004-6361/202245018|Discovery of Two New Interstellar Molecules with QUIJOTE: HCCCHCCC and HCCCCS]]**\\ | **[[https://doi.org/10.1051/0004-6361/202245018|Discovery of Two New Interstellar Molecules with QUIJOTE: HCCCHCCC and HCCCCS]]**\\ |
| //Astron. Astrophys.// **667**, Art. No. L4 (2022).\\ | //Astron. Astrophys.// **667**, Art. No. L4 (2022).\\ |
| | Ethnylbutatrienylidene was detected through 27 //a//-type transitions with //K<sub>a</sub>// ≤ 2 and 9 ≤ //J// ≤ 15 and good to reasonable signal-to-noise ratios 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 50.3 GHz. |
| | Ethnylbutatrienylidene is, after hexapentaenylidene, C<sub>6</sub>H<sub>2</sub>, and triacetlylene, the third C<sub>6</sub>H<sub>2</sub> isomer detected in space. Its abundance is about a factor of 1.6 higher than that of the slightly lower lying C<sub>6</sub>H<sub>2</sub> molecule.\\ |
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