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Laboratory Spectroscopy of CH(+) and Isotopic CH (2006)

Pearson, John C. ; Drouin, Brian J.

In: CASI

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Publication Date: 2018-06-06

Description: The A1II - X1(Epsilon) electronic band of the CH(+) ion has been used as a probe of the physical and dynamical conditions of the ISM for 65 years. In spite of being one of the first molecular species observed in the ISM and the very large number of subsequent observations with large derived column densities, the pure rotational spectra of CH+ has remained elusive in both the laboratory and in the ISM as well. We report the first laboratory measurement of the pure rotation of the CH(+) ion and discuss the detection of CH-13(+) in the ISM. Also reported are the somewhat unexpected chemical conditions that resulted in laboratory production.

Keywords: Astrophysics

Type: Proceedings of the NASA Laboratory Astrophysics Workshop; 97-101; NASA/CP-2006-214549

Format: application/pdf

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