# Lyman-continuum galaxies and the escape fraction of Lyman-break galaxies

@article{Cooke2014LymancontinuumGA,
title={Lyman-continuum galaxies and the escape fraction of Lyman-break galaxies},
author={Jeff Cooke and Emma V. Ryan-Weber and Thibault Garel and Carlos Gonzalo Diaz},
journal={Monthly Notices of the Royal Astronomical Society},
year={2014},
volume={441},
pages={837-851}
}
• Published 1 April 2014
• Physics
• Monthly Notices of the Royal Astronomical Society
Lyman break galaxies (LBGs) at z ~ 3-4 are targeted to measure the fraction of Lyman continuum (LyC) flux that escapes from high redshift galaxies. However, z ~ 3-4 LBGs are identified using the Lyman break technique which preferentially selects galaxies with little or no LyC. We re-examine the standard LBG selection criteria by performing spectrophotometry on composite spectra constructed from 794 U_nGR-selected z ~ 3 LBGs from the literature while adding LyC flux of varying strengths. The…

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## References

SHOWING 1-10 OF 84 REFERENCES
Lyman-Continuum Emission from Galaxies at z ≃ 3.4 *
• Physics
• 2001
We report the detection of significant Lyman-continuum flux in the composite spectrum of 29 Lyman-break galaxies (LBGs) with redshifts z = 3.40 ± 0.09. After correction for opacity due to intervening
The VLT LBG Redshift Survey - III. The clustering and dynamics of Lyman-break galaxies at z ~ 3
• Physics
• 2013
We present a catalogue of 2135 galaxy redshifts from the VLT LBG Redshift Survey (VLRS), a spectroscopic survey of z approximate to 3 galaxies in wide fields centred on background quasi-stellar
The Direct Detection of Lyman Continuum Emission from Star-forming Galaxies at z~3
• Physics
• 2006
We present the results of rest-frame UV spectroscopic observations of a sample of 14 z ~ 3 star-forming galaxies in the SSA 22a field. These spectra are characterized by unprecedented depth in the
Detections of Lyman Continuum from Star-Forming Galaxies at z ~ 3 through Subaru/Suprime-Cam Narrow-Band Imaging
• Physics
• 2009
Knowing the amount of ionizing photons from young star-forming galaxies is of particular importance to understanding the reionization process. Here we report initial results of Subaru/Suprime-Cam
Nurturing Lyman break galaxies: observed link between environment and spectroscopic features
• Physics
• 2013
We examine the effects of magnitude, colour, and Ly-alpha equivalent width (EW) on the spatial distribution of z~3 Lyman break galaxies (LBGs) and report significant differences in their
Rest-Frame Ultraviolet Spectra of z ∼ 3 Lyman Break Galaxies*
• Physics
• 2003
We present the results of a systematic study of the rest-frame UV spectroscopic properties of Lyman break galaxies (LBGs). The database of almost 1000 LBG spectra proves useful for constructing high
VLT narrow-band photometry in the Lyman continuum of two galaxies at z ∼ 3 : Limits to the escape of ionizing flux
• Physics
• 2005
We have performed narrow-band imaging observations with the Very Large Telescope, aimed at detecting the Lyman continuum (LC) flux escaping from galaxies at z~3. We do not find any significant LC
Lyman Break Galaxies at z>4 and the Evolution of the UV Luminosity Density at High Redshift
• Physics
• 1999
We present initial results of a survey for star-forming galaxies in the redshift range 3.8 z 4.5. This sample consists of a photometric catalog of 244 galaxies culled from a total solid angle of 0.23
Spectroscopic Confirmation of a Population of Normal Star-forming Galaxies at Redshifts z > 3*
• Physics
• 1996
We report the discovery of a substantial population of star-forming galaxies at 3.0 z 3.5. These galaxies have been selected using color criteria sensitive to the presence of a Lyman continuum break
Keck Spectroscopy of Faint 3 < z < 7 Lyman Break Galaxies. III. The Mean Ultraviolet Spectrum at z ≃ 4
• Physics
• 2011
We present and discuss the mean rest-frame ultraviolet spectrum for a sample of 81 Lyman break galaxies (LBGs) selected to be B-band dropouts at z ≃ 4. The sample is mostly drawn from our ongoing