The high resolution infrared spectrum of HCl$^+$

José L. Doménech; Brian J. Drouin; José Cernicharo; Víctor J. Herrero; Isabel Tanarro

doi:10.3847/2041-8213/833/2/L32

The high resolution infrared spectrum of HCl$^+$

Solar and Stellar Astrophysics 2016-12-22 v3 Instrumentation and Methods for Astrophysics

Authors: José L. Doménech , Brian J. Drouin , José Cernicharo , Víctor J. Herrero , Isabel Tanarro

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Abstract

The chloroniumyl cation, HCl $^+$ , has been recently identified in space from Herschel's spectra. A joint analysis of extensive vis-UV spectroscopy emission data together with a few high resolution and high accuracy mm-wave data provided the necessary rest frequencies to support the astronomical identification. Nevertheless, the analysis did not include any infrared vibration-rotation data. Furthermore, with the end of the Herschel mission, infrared observations from ground may be one of the few available means to further study this ion in space. In this work we provide a set of accurate rovibrational transition wavenumbers as well as a new and improved global fit of vis-UV, IR and mm-wave spectroscopy laboratory data, that will aid in future studies of this molecule.

Keywords

HCl+ infrared spectrum rovibrational transitions spectroscopy molecular ions

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@article{arxiv.1612.01398,
  title  = {The high resolution infrared spectrum of HCl$^+$},
  author = {José L. Doménech and Brian J. Drouin and José Cernicharo and Víctor J. Herrero and Isabel Tanarro},
  journal= {arXiv preprint arXiv:1612.01398},
  year   = {2016}
}

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Published in the Astrophysical Journal Letters

The high resolution infrared spectrum of HCl$^+$

Abstract

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