The molecular gas bar in NGC 253

Details The molecular gas bar in NGC 253 The molecular gas bar in NGC 253

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...333..157c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 333, Oct. 1, 1988, p. 157-160.

Astronomy and Astrophysics

Astrophysics

103

Active Galactic Nuclei, Barred Galaxies, H Ii Regions, Molecular Clouds, Starburst Galaxies, Carbon Monoxide, H Alpha Line, Mass Distribution, Molecular Gases

Scientific paper

Molecular gas in the bar at the center of NGC 253 has been imaged with 5arcsec×9arcsec resolution in the CO emission line. The molecular bar has an angular extent of 39arcsec×12arcsec and a mass in molecular clouds of 4.8×108 M_sun;. The gas in the molecular bar appears to be rotating as a rigid body with a very steep rotation curve, indicating a large central mass concentration.

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