CO observations of southern S0 galaxies

Details CO observations of southern S0 galaxies CO observations of southern S0 galaxies

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...252..541t&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 252, no. 2, Dec. 1991, p. 541-549.

Astronomy and Astrophysics

Astrophysics

18

Astronomical Models, Carbon Monoxide, Emission Spectra, Galactic Structure, Interstellar Matter, Lenticular Bodies, Hydrogen, Molecular Gases

Scientific paper

CO emissions are investigated in 11 S0 galaxies in offset and central-beam positions, and the results are employed in a model for fitting synthetic spectra to the data. In all the galaxies the emission is partly resolved, except in NGC 1326 and some other S0s where the CO emission extends through other parts of the disk. The model indicates that a CO ring approximately 1 kpc from the nucleus accounts for the distribution of the observed emission and is possible evidence for a CO bar.

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