Date:
-
Location:
CP179
Speaker(s) / Presenter(s):
Gerard Williger (University of Louisville)
Lyman break galaxies (LBGs) are often used as prototypes to construct strongly star-forming galaxies, since the Lyman break signature is straightforward to identify at z>3 from the ground. However, at z~2, the Lyman break is located in the UV wavelength range and can only be observed from space. Until the launch of GALEX, large (wide-field) ground-based proxy selection methods for LBGs had to be used, which produce measurable differences from true LBG samples. We will use deep GALEX and ground based U-images to select a true Lyman break sample of z~2 LBGs, and investigate the nature of galaxies which produce the IR background. The GALEUS (GALaxy Evolution UV Survey) will use public wide-deep data to study the physical properties of UV-selected star-forming galaxies at z~2. We propose to investigate the contribution of UV and IR luminous galaxies to the population of LBGs, using UV to FIR data (0.16 to 500~microns) observed by GALEX, Spitzer, and Herschel, with supporting optical/IR data from HST+ACS and ground-based surveys. I will show preliminary results based on spectral energy distributions.
Event Series: