13 February 2003 Searching high-z Lyα emitters
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Abstract
High-z galaxies beyond redshift ~ 4 are essentially detected from ground based observations through their Lyα emission. The anticipated Lyα flux of galaxies at redshifts ~ 6 and beyond is a few times 0.1 10-17 ergs.s-1.cm-2 and its detection requires observations in low background conditions, when the observing wavelength is pushed into the near IR domain. We have carried out observations on 4-8 m telescopes to search for high z galaxies at 920 nm, 1060 and 1187 nm, resorting to various techniques: Narrow Band (NB) imaging and multi-slit windows. Observations, data reduction and preliminary results are described.
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Jean Gabriel Cuby, Oliver Le Fevre, Henry McCracken, Jean-Charles Cuillandre, Eugene Magnier, Roberto Gilmozzi, Alan F. M. Moorwood, Paul P. van der Werf, Baptiste Meneux, "Searching high-z Lyα emitters", Proc. SPIE 4834, Discoveries and Research Prospects from 6- to 10-Meter-Class Telescopes II, (13 February 2003); doi: 10.1117/12.457637; https://doi.org/10.1117/12.457637
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