Relation between CH cation and neutral/molecular hydrogen

Details Relation between CH cation and neutral/molecular hydrogen Relation between CH cation and neutral/molecular hydrogen

Feb 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008a%26a...479..149w&link_type=abstract

Astronomy and Astrophysics, Volume 479, Issue 1, February III 2008, pp.149-154

Astronomy and Astrophysics

Astrophysics

12

Ism: Molecules, Ism: Abundances

Scientific paper

Observations of interstellar absorption bands of CH+ molecule at 3957 and 4232 Å were applied to determine column densities toward 53 stars. The targets were selected because the atomic and molecular hydrogen column densities are published. The data on CH+ were acquired using four echelle spectrographs situated in both the Northern and Southern hemispheres. Spatial relations between column densities of CH+ and those of molecular, atomic and total hydrogen show large scatter, suggesting there is no relation between abundances of methylidyne cation and hydrogen in any form.

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