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23 April 2024

» arxiv » astro-ph/0411364

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The UV Galaxy Luminosity Function in the Local Universe from GALEX Data
Ted K. Wyder ; Marie A. Treyer ; Bruno Milliard ; David Schiminovich ; Stéphane Arnouts ; Tamás Budavári ; Tom A. Barlow ; Luciana Bianchi ; Yong-Ik Byun ; José Donas ; Karl Forster ; Peter G. Friedman ; Timothy M. Heckman ; Patrick N. Jelinsky ; Young-Wook Lee ; Barry F. Madore ; Roger F. Malina ; D. Christopher Martin ; Patrick Morrissey ; Susan G. Neff ; R. Michael Rich ; Oswald H. W. Siegmund ; Todd Small ; Alex S. Szalay ; Barry Y. Welsh ;
Date:	13 Nov 2004
Journal:	Astrophys.J. 619 (2005) L15-L18
Subject:	astro-ph
Abstract:	We present the results of a determination of the galaxy luminosity function at ultraviolet wavelengths at redshifts of $z=0.0-0.1$ from GALEX data. We determined the luminosity function in the GALEX FUV and NUV bands from a sample of galaxies with UV magnitudes between 17 and 20 that are drawn from a total of 56.73 deg^2 of GALEX fields overlapping the b_j-selected 2dF Galaxy Redshift Survey. The resulting luminosity functions are fainter than previous UV estimates and result in total UV luminosity densities of 10^(25.55+/-0.12) ergs s^-1 Hz^-1 Mpc^-3 and 10^(25.72+/-0.12) ergs s^-1 Hz^-1 Mpc^-3 at 1530 Ang. and 2310 Ang., respectively. This corresponds to a local star formation rate density in agreement with previous estimates made with H-alpha-selected data for reasonable assumptions about the UV extinction.
Source:	arXiv, astro-ph/0411364
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