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| molecules:ism:cyclopropenonthion [2025/04/03 13:56] – mueller | molecules:ism:cyclopropenonthion [2025/04/03 14:30] (current) – mueller |
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| **[[https://doi.org/10.3847/1538-4357/adb84c|The Missing Link of Sulfur Chemistry in TMC-1: The Detection of //c//-C<sub>3</sub>H<sub>2</sub>S from the GOTHAM Survey]]**\\ | **[[https://doi.org/10.3847/1538-4357/adb84c|The Missing Link of Sulfur Chemistry in TMC-1: The Detection of //c//-C<sub>3</sub>H<sub>2</sub>S from the GOTHAM Survey]]**\\ |
| //Astrophys. J.// **982**, Art. No. 191 (2025).\\ | //Astrophys. J.// **982**, Art. No. 191 (2025).\\ |
| Cyanoethynylsulfanyl in it <sup>2</sup>π<sub>3/2</sub> lower spin ladder was detected through five consecutive transitions with 23/2 ≤ //J'// ≤ 33/2 between 33.0 and 47.5 GHz 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 first two lines display somewhat and barely resolved <sup>14</sup>N hyperfine structure splitting, respectively. The next two lines are somewhat broadened, and the last line is blended. Members with //n// = 2 and //n// ≥ 4 were not detected. The abundance ratios of NCS/NC<sub>3</sub>S is about 5.6.\\ | The molecule was identified through line-stacking in the course of the GOTHAM survey of TMC-1 carried out with the 100 m GBT dish and covering a large fraction of the 3.9 to 36.4 GHz region. An excitation temperature of ~5 K was derived. The abundance ratio of CH<sub>2</sub>CCS///c//-C<sub>3</sub>H<sub>2</sub>S is about 10 while that of HCCCHS///c//-C<sub>3</sub>H<sub>2</sub>S is about 2.5 (taking into account the differences in assumed source diameters).\\ |
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