Interstellar CH, CH+ and abundance of atomic species

Details Interstellar CH, CH+ and abundance of atomic species Interstellar CH, CH+ and abundance of atomic species

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007msl..confe..23g&link_type=abstract

"Molecules in Space and Laboratory, meeting held in Paris, France, May 14-18, 2007. Editors: J.L. Lemaire, F. Combes. ISBN: 9782

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Scientific paper

The CH molecule is the only one molecule from the visual spectral range observed in two ionisation stages. The production of CH+ is commonly assigned to shock fronts, since the reaction C+ + H2 -> CH+ + H is endothermic. Moreover a velocity difference between the CH and CH+ spectral lines is often observed. We compare the CH/CH+ column densities with that of neutral and ionised atoms. The CH column density correlates better with neutral atoms, while column density of CH+ correlates better with ionised ones.

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