molecules:ism:sh [CDMS classic documentation]

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===== The Detection of Sulfanyl, SH, in the Interstellar Medium =====

The //J// = 5/2 – 3/2 transition of the lower energy fine structure component <sup>2</sup>Π<sub>3/2</sub> of the sulfanyl radical SH has been detected in absorption in the diffuse medium along the sight-line to the submillimeter continuum source W49N by\\
D. A. Neufeld, E. Falgarone, M. Gerin, B. Godard, E. Herbst, G. Pineau des Forêts, A. I. Vasyunin, R. Güsten, H. Wiesemeyer, and O. Ricken,\\
**[[https://doi.org/10.1051/0004-6361/201218870|Discovery of Interstellar Mercapto Radicals (SH) with the GREAT Instrument on SOFIA]]**\\
//Astron. Astrophys.// **542**, (2012), Art. No. L6.\\
Two lines were observed near 1382.91 and 1383.24 GHz because of the Λ-doubling. The inferred column density is very similar to that of SH<sup>+</sup> in that source, differing by less than a factor of two.

D. A. Neufeld, B. Godard, M. Gerin, G. Pineau des Forêts, C. Bernier, E. Falgarone, U. U. Graf, R. Güsten, E. Herbst, P. Lesaffre, P. Schilke, P. Sonnentrucker, and H. Wiesemeyer\\
reported on\\
**[[https://doi.org/10.1051/0004-6361/201425391|Sulphur-bearing molecules in diffuse molecular clouds: new results from SOFIA/GREAT and the IRAM 30 m telescope]]**\\
//Astron. Astrophys.// **577**, (2015), Art. No. A49.\\
The same transitions of SH as above were observed toward W31C, G29.96-0.02, G34.3+0.1, W51, and W49N again.


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Contributor(s): H. S. P. Müller; 05, 2012; 12, 2015.


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