Computer Science
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.577..141b&link_type=abstract
In: Proceedings of the dusty and molecular universe: a prelude to Herschel and ALMA, 27-29 October 2004, Paris, France. Ed. by A
Computer Science
3
Galaxies: Starburst, Ultraviolet: Galaxies, Infrared: Galaxies, Galaxies: Extinction
Scientific paper
GALEX observations in the Far UV and in the Near UV are complemented by visible Mid-/Far-IR data to constrain dust attenuation laws and the star formation history of galaxies. The main (non unexpected) result is that the use of Far-IR data greatly helps estimating the amount of dust attenuation in galaxies through the use of the FIR/UT flux ratio. In addition, by fitting models to our multi-wavelength sample of galaxies, separated into a UV-selected one and a FIR-selected one, we deduce dust attenuation laws that could have a wide range of characteristics in terms of the presence of a bump at 217.5nm and slope. Finally, we estimate the amount of dust attenuation in FUV as a function of the redshift and find a strong evolution towards higher dust attenuations. This work will be published in more detailed in Burgarella et al. (2005, in prep.) and Buat et al. (2005, in prep.).
Buat Veronique
Burgarella Denis
GALEX Team
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