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The ELAIS S1 field was observed by GALEX in both its Wide Spectroscopic andDeep Imaging Survey modes. This field was previously observed by the InfraredSpace Observatory and we made use of the catalogue of multi-wavelength datapublished by the ELAIS consortium to select galaxies common to the two samples.Among the 959 objects with GALEX spectroscopy, 88 are present in the ELAIScatalog and 19 are galaxies with an optical spectroscopic redshift. Thedistribution of redshifts covers the range $0<z<1.6$. The selected galaxieshave bolometric IR luminosities $10<Log(L_{IR})<13$ (deduced from the $15 \mum$ flux using ISOCAM) which means that we cover a wide range of galaxies fromnormal to Ultra Luminous IR Galaxies. The mean ($\sigma$) UV luminosity (notcorrected for extinction) amounts to $Log(\lambda.L_{1530}) = 9.8 (0.6)$$L_\sun$ for the low-z ($z \le 0.35$) sample. The UV slope $\beta$ (assuming$f_\lambda \propto \lambda^\beta$) correlates with the GALEX FUV-NUV color ifthe sample is restricted to galaxies below $z < 0.1$. Taking advantage of theUV and IR data, we estimate the dust attenuation from the IR/UV ratio andcompare it to the UV slope $\beta$. We find that it is not possible to uniquelyestimate the dust attenuation from $\beta$ for our sample of galaxies. Thesegalaxies are highly extinguished with a median value $A_{FUV} = 2.7 \pm 0.8$.Once the dust correction applied, the UV- and IR-based SFRs correlate. For theclosest galaxy with the best quality spectrum, we see a feature consistent withbeing produced by a bump near 220nm in the attenuation curve.Comment: This paper has been published as part of the GALEX ApJL Special Issue  (ApJ 619, L63

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<i>Galaxy Evolution Explorer</i> Ultraviolet Spectroscopy and Deep Imaging of Luminous Infrared Galaxies in the European Large-Area <i>ISO</i> Survey S1 Field

Galaxy Evolution Explorer Ultraviolet Spectroscopy and Deep Imaging of Luminous Infrared Galaxies in the European Large-Area ISO Survey S1 Field