GALEX UltraViolet Spectroscopy of Luminous InfraRed Galaxies

Details GALEX UltraViolet Spectroscopy of Luminous InfraRed Galaxies GALEX UltraViolet Spectroscopy of Luminous InfraRed Galaxies

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005assl..329..269b&link_type=abstract

Starbursts: From 30 Doradus to Lyman Break Galaxies, Held in Cambridge, UK, 6-10 September 2004. Edited by R. de Grijs and R.M.

Astronomy and Astrophysics

Astrophysics

Scientific paper

The ELAIS South 1 field was observed by GALEX in spectroscopic and imaging mode. Thanks to the web database built by the ELAIS team, we made use of the multi-wavelength catalogue to select galaxies in common to the two samples. 19 galaxies are found with optical redshifts in the range 0 < z < 1.6 with 10 < log(LIR) < 13 estimated from the 15 μm flux. However, the two brightest objects are Seyfert 1 galaxies, while most of the galaxies in the range 0 < z < 0.35 are normal to Luminous Infrared Galaxies. Using these data, we find that it is not possible to uniquely derive an ultraviolet dust attenuation from the ultraviolet slope, β. These galaxies have a median FUV dust attenuation AFUV = 2.7±0.8.

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