Molecules in galaxies. II - The disk of NGC 4565

Details Molecules in galaxies. II - The disk of NGC 4565 Molecules in galaxies. II - The disk of NGC 4565

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986aj.....91..517r&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 91, March 1986, p. 517-521.

Astronomy and Astrophysics

Astronomy

18

Interstellar Gas, Molecular Spectroscopy, Spiral Galaxies, Carbon Monoxide, Hydrogen, Radial Distribution, Radio Emission, Visible Spectrum

Scientific paper

Emission in the J = 1-0 line of CO has been mapped along the major axis of the large edge-on Sb galaxy NGC 4565. The shape of the CO distribution is very similar to that of the radio continuum emission, and of the disk light. The CO emission is much more centrally peaked than is the H I, but the total (H I + H2) gas surface density may have a smooth radial distribution. The total molecular hydrogen mass is similar to that of the H I. The asymmetry seen in the H I emission in this galaxy is also seen in the CO emission, implying that the 'lopsidedness' of this galaxy is present at relatively small radii and high disk densities.

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