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Spectroscopic characterization and detection of Ethyl Mercaptan in Orion

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arxiv 1401.7810 v1 pith:LHDL5AM2 submitted 2014-01-30 astro-ph.GA

L. Kolesniková , B. Tercero , J. Cernicharo , J. L. Alonso , A. M. Daly , B. P. Gordon , S. T. Shipman This is my paper
classification astro-ph.GA
keywords mercaptanoriondetectionethylmethylspectroscopicabundantallowed
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abstract

New laboratory data of ethyl mercaptan, CH$_{3}$CH$_{2}$SH, in the millimeter and submillimeter-wave domains (up to 880 GHz) provided very precise values of the spectroscopic constants that allowed the detection of $gauche$-CH$_3$CH$_2$SH towards Orion KL. 77 unblended or slightly blended lines plus no missing transitions in the range 80-280 GHz support this identification. A detection of methyl mercaptan, CH$_{3}$SH, in the spectral survey of Orion KL is reported as well. Our column density results indicate that methyl mercaptan is $\simeq$ 5 times more abundant than ethyl mercaptan in the hot core of Orion KL.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Binding energy distributions of alcohols, thiols, and their precursors on interstellar water ice surfaces

    astro-ph.GA 2025-08 conditional novelty 6.0 of 10

    Quantum chemical binding energy distributions are reported for 16 O/S-bearing species on amorphous water ice, and using these distributions alters modeled ice-phase abundances.

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