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| molecules:ism:c2_3s [2021/04/13 13:53] – mueller | molecules:ism:c2_3s [2021/12/20 12:48] (current) – [Information on thioxopentatetraenylidene, C5S] mueller |
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| **[[https://ui.adsabs.harvard.edu/abs/1987ApJ...317L.111K|Detection of Intense Unidentified Lines in TMC-1]]**\\ | **[[https://ui.adsabs.harvard.edu/abs/1987ApJ...317L.111K|Detection of Intense Unidentified Lines in TMC-1]]**\\ |
| //Astrophys. J.// **317**, L111–L114 (1987);\\ | //Astrophys. J.// **317**, L111–L114 (1987);\\ |
| obtained in the course of a molecular line survey carried out with the 45 m Nobeyama telescope which ultimately covered the 8 – 50 GHz range. | obtained in the course of a molecular line survey carried out with the 45 m Nobeyama telescope which ultimately covered the 8 – 50 GHz range.\\ |
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| Laboratory spectroscopic investigations by\\ | Laboratory spectroscopic investigations by\\ |
| Four lines from the line survey mentioned above were assigned to C<sub>2</sub>S. These were the //N<sub>J</sub>// = 1<sub>2</sub> – 2<sub>1</sub>, 3<sub>3</sub> – 2<sub>2</sub>, 4<sub>3</sub> – 3<sub>2</sub>, and 3<sub>4</sub> – 2<sub>3</sub> transitions at 22344, 38866, 43981, and 45379 MHz, respectively. Please note: the labeling of the 2<sub>1</sub> level follows that of the CDMS catalog entry. This level is labeled 0<sub>1</sub> in the original work.\\ | Four lines from the line survey mentioned above were assigned to C<sub>2</sub>S. These were the //N<sub>J</sub>// = 1<sub>2</sub> – 2<sub>1</sub>, 3<sub>3</sub> – 2<sub>2</sub>, 4<sub>3</sub> – 3<sub>2</sub>, and 3<sub>4</sub> – 2<sub>3</sub> transitions at 22344, 38866, 43981, and 45379 MHz, respectively. Please note: the labeling of the 2<sub>1</sub> level follows that of the CDMS catalog entry. This level is labeled 0<sub>1</sub> in the original work.\\ |
| The authors also assigned several U-lines from two molecular line surveys of Sagittarius B2 in the 3 and 2 mm regions to C<sub>2</sub>S.\\ | The authors also assigned several U-lines from two molecular line surveys of Sagittarius B2 in the 3 and 2 mm regions to C<sub>2</sub>S.\\ |
| Finally, the CC<sup>34</sup>S isotopolog was also detected toward TMC-1 by its 1<sub>2</sub> – 2<sub>1</sub> transition at 21930 MHz. | Finally, the CC<sup>34</sup>S isotopolog was also detected toward TMC-1 by its 1<sub>2</sub> – 2<sub>1</sub> transition at 21930 MHz.\\ |
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| In addition, laboratory spectroscopic investigations by\\ | In addition, laboratory spectroscopic investigations by\\ |
| J. Cernicharo, M. Guélin, H. Hein, and C. Kahane,\\ | J. Cernicharo, M. Guélin, H. Hein, and C. Kahane,\\ |
| **[[https://ui.adsabs.harvard.edu/abs/1987A%26A...181L...9C|Sulfur in IRC +10216]]**\\ | **[[https://ui.adsabs.harvard.edu/abs/1987A%26A...181L...9C|Sulfur in IRC +10216]]**\\ |
| //Astron. Astrophys.// **181**, L9–L12 (1987). | //Astron. Astrophys.// **181**, L9–L12 (1987).\\ |
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| C<sub>2</sub>S was also seen toward several translucent clouds, albeit in only the lower energy transition of two by\\ | C<sub>2</sub>S was also seen toward several translucent clouds, albeit in only the lower energy transition of two by\\ |
| **[[https://doi.org/10.1086/313077|The Physics and Chemistry of Small Translucent Molecular Clouds.\\ | **[[https://doi.org/10.1086/313077|The Physics and Chemistry of Small Translucent Molecular Clouds.\\ |
| IX. Acetylenic Chemistry]]**\\ | IX. Acetylenic Chemistry]]**\\ |
| //Astrophys. J. Suppl. Ser.// **115**, 91–118 (1998). | //Astrophys. J. Suppl. Ser.// **115**, 91–118 (1998).\\ |
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| The two <sup>13</sup>C isotopomers were detected with the Nobeyama 45 m telescope toward TMC-1 by\\ | The two <sup>13</sup>C isotopomers were detected with the Nobeyama 45 m telescope toward TMC-1 by\\ |
| //Astron. Astrophys.// **570**, Art. No. A45 (2014).\\ | //Astron. Astrophys.// **570**, Art. No. A45 (2014).\\ |
| The //J// + 1 → //J// transitions with //J// = 43, 44, and 45 of C<sub>5</sub>S were identified in the course of a 3 mm line survey with the IRAM 30 m telescope near 81.2, 83.0, and 84.9 GHz. The first transition is blended. The almost similar column densities between two carbon chain molecules, here C<sub>5</sub>S and C<sub>3</sub>S, are very unusual, though not unprecedented.\\ | The //J// + 1 → //J// transitions with //J// = 43, 44, and 45 of C<sub>5</sub>S were identified in the course of a 3 mm line survey with the IRAM 30 m telescope near 81.2, 83.0, and 84.9 GHz. The first transition is blended. The almost similar column densities between two carbon chain molecules, here C<sub>5</sub>S and C<sub>3</sub>S, are very unusual, though not unprecedented.\\ |
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| M. B. Bell, L. W. Avery, and P. A. Feldman\\ | M. B. Bell, L. W. Avery, and P. A. Feldman\\ |
| //Astrophys. J.// **417**, L37–L40 (1993).\\ | //Astrophys. J.// **417**, L37–L40 (1993).\\ |
| A line observed with the NRAO 43 m telecope near 24.0 GHz in the course of a molecular line survey was assigned to the //J// = 13 – 12 transition of C<sub>5</sub>S. The authors state in the abstract: "Assuming the observed feature is due to C<sub>5</sub>S, we find that //N//(C<sub>5</sub>S)///N//(C<sub>3</sub>S) ≈ 0.5." Confirmation of this finding or identification of further transitions at shorter wavelengths will be useful.\\ | A line observed with the NRAO 43 m telecope near 24.0 GHz in the course of a molecular line survey was assigned to the //J// = 13 – 12 transition of C<sub>5</sub>S. The authors state in the abstract: "Assuming the observed feature is due to C<sub>5</sub>S, we find that //N//(C<sub>5</sub>S)///N//(C<sub>3</sub>S) ≈ 0.5." Confirmation of this finding or identification of further transitions at shorter wavelengths will be useful.\\ |
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| The molecule was recently also identified in TMC-1 by\\ | The molecule was recently also identified in TMC-1 by\\ |