Multi-wavelength star-formation indicators

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Scientific paper

We present the results of a multi-wavelength study of star-formation indicators for a sample of nearby galaxies. The sample spans a wide range in luminosity, star-formation rate, metallicity, and morphology. We discuss our high resolution far-ultraviolet HST/STIS images, ground-based Hα, and VLA 8.46 GHz radio images, as well as integrated mid/far-IR properties. We compare these star-formation indicators, present empirical calibrations between them and discuss the effects of reddening. We also use this dataset to analyze the relation between star-formation rate and the UV/far-IR ratio, and the distribution of ULIGs, SCUBA sources and Lyman Break galaxies relative to our sources in this diagram.

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