The detection of CH in external galaxies

Details The detection of CH in external galaxies The detection of CH in external galaxies

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.190p..17w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 190, Jan. 1980, p. 17P-22P.

Other

24

Chemical Composition, Galaxies, Hydrocarbons, Interstellar Chemistry, Microwave Spectra, Molecular Spectra, Line Spectra, Magellanic Clouds, Milky Way Galaxy

Scientific paper

The 3264-MHz transition of CH has been detected in three galaxies (the Large Magellanic Cloud, NGC 4945 and NGC 5128) and possibly in a fourth (NGC 253). The line profiles were similar to those for H2CO. The 3335-MHz transition was detected in one (LMC) and possibly another (NGC 4945). With the exception of NGC 5128, the line/continuum ratios are similar to those in our Galaxy. The results suggest an overabundance of CH relative to H2CO and OH in a molecular cloud in NGC 5128 which is probably located well in front of the nucleus.

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