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Star Formation Rate from UV Emission and Gas Surface Density in Late-type Galaxies
Published online by Cambridge University Press: 03 August 2017
Abstract
Far-UV (200 nm) fluxes of late-type, disk-dominated galaxies are used as tracers of their current star formation activity. After dust extinction corrections, the UV luminosity per unit area is compared to the gas surface density for a sample of 28 non resolved spiral galaxies and through the disk of Messier 51 at a resolution of 50″ (imposed by CO data). In both cases, the current star formation rate per unit area shows a very good correlation with the total (atomic and molecular) gas surface density; much weaker correlations are found when one gas phase alone is concerned.
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- VI- Other Gaseous Components
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- Copyright © Kluwer 1991