CO line observations of the bar and nucleus of the barred spiral galaxy M83

Details CO line observations of the bar and nucleus of the barred spiral galaxy M83 CO line observations of the bar and nucleus of the barred spiral galaxy M83

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasj...42....1h&link_type=abstract

Astronomical Society of Japan, Publications (ISSN 0004-6264), vol. 42, no. 1, 1990, p. 1-17. Research supported by the Japan Soc

Astronomy and Astrophysics

Astronomy

65

Barred Galaxies, Carbon Monoxide, Galactic Nuclei, Emission Spectra, Molecular Clouds, Molecular Gases, Spatial Distribution, Star Formation, Ultraviolet Radiation

Scientific paper

CO (J = 1-0) line observations of the bar and nucleus of the intermediate barred spiral galaxy M83 were made with the 45-m telescope of the Nobeyama Radio Observatory with a 16-arcsec beam. The observed area was 3.8 kpc x 1.1 kpc, which covered the optical bar. A ridge of CO emission is found on the leading edge of the bar and is traced by straight dust lanes. In the mapped field, about 40 percent of the CO line flux is concentrated within a radius of 0.4 kpc around the center of the galaxy.

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