Radio continuum and CO emission in star-forming galaxies.

Details Radio continuum and CO emission in star-forming galaxies. Radio continuum and CO emission in star-forming galaxies.

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003rmxac..17...90g&link_type=abstract

Galaxy Evolution: Theory & Observations (Eds. Vladimir Avila-Reese, Claudio Firmani, Carlos S. Frenk & Christine Allen) Revista

Other

Radio Continuum: Galaxies, Galaxies: Spiral, Ism:Molecules, Stars:Formation

Scientific paper

Radio continuum images and CO-line observations have been combined to study the relationship between molecular gas and the star formation rate within the disks of 180 spiral galaxies. We find a strong correlation between these two quantities. On average, the ratio between the radio continuum and the CO emission is constant (within a factor 3) both inside the same galaxy and from galaxy to galaxy. The star formation efficiency deduced from the radio continuum depends weakly on general galaxy properties. A comparison is made with another similar analysis performed using the H alpha luminosity as star formation indicator.

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