J. Caruana, L. Wisotzki, E. C. Herenz, J. Kerutt, T. Urrutia, K. B. Schmidt, R. Bouwens, J. Brinchmann, S. Cantalupo, C. M. Carollo, C. Diener, A. Drake, T. Garel, R. A. Marino, J. Richard, R. Saust, J. Schaye, A. Verhamme
We present a measurement of the fraction of Lyman alpha (Ly alpha) emitters (XLy alpha) amongst HST continuum-selected galaxies at 3 < z < 6 with the Multi-Unit Spectroscopic Explorer (MUSE) on the VLT. Making use of the first 24 MUSE-Wide pointings in GOODS-South, each having an integration time of 1 h, we detect 100 Ly alpha emitters and find X-Ly alpha greater than or similar to 0.5 for most of the redshift range covered, with 29 per cent of the Ly alpha sample exhibiting rest equivalent widths (rest-EWs) <= 15 angstrom. Adopting a range of rest-EW cuts (0-75 angstrom), we find no evidence of a dependence of X-Ly alpha on either redshift or ultraviolet luminosity.
galaxies: high-redshift, galaxies: star formation, galaxies: statistics
Monthly Notices of the Royal Astronomical Society
Volume 473, Issue 1, Page 30