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HCN and HCO+ in IR Bright Galaxies
Published online by Cambridge University Press: 03 August 2017
Abstract
We report the preliminary results of a search for HCN and HCO+ in the nucleus of 14 IR bright galaxies. The line intensity ratio HCN/HCO+ is of the order of or larger than unity, except for M82 which has a line ratio of 0.5. The line ratios are discussed in terms of a model of chemistry of dense interstellar clouds. There is a correlation between the HCN and HCO+ line intensities and that of CO.
- Type
- IX- Galaxy Nuclei
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- Copyright © Kluwer 1991