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The accuracy of the UV continuum as an indicator of the star formation rate in galaxies
Stephen M. Wilkins, Violeta Gonzalez-Perez, Cedric G. Lacey +1
The rest-frame intrinsic UV luminosity is often used as an indicator of the instantaneous star formation rate (SFR) in a galaxy. While it is in general a robust indicator of the on…
The UV colours and dust attenuation of Lyman-break galaxies
V. Gonzalez-Perez, C. G. Lacey, C. M. Baugh +2
Using GALFORM, a semi-analytical model of galaxy formation in the Lambda cold dark matter cosmology, we study the rest-frame ultraviolet (UV) colours of Lyman-break galaxies (LBGs)…
Predictions for the intrinsic UV continuum properties of star forming galaxies and the implications for inferring dust extinction
Stephen M. Wilkins, Violeta Gonzalez-Perez, Cedric G. Lacey +1
The observed ultraviolet continuum (UVC) slope is potentially a powerful diagnostic of dust obscuration in star forming galaxies. However, the intrinsic slope is also sensitive to…
Lightcone mock catalogues from semi-analytic models of galaxy formation - I. Construction and application to the BzK colour selection
Alexander I. Merson, Carlton M. Baugh, John C. Helly +9
We introduce a method for constructing end-to-end mock galaxy catalogues using a semi-analytical model of galaxy formation, applied to the halo merger trees extracted from a cosmol…