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Proceedings Paper

Searching high-z Ly alpha emitters
Author(s): 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
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Paper 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 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.

Paper Details

Date Published: 13 February 2003
PDF: 8 pages
Proc. SPIE 4834, Discoveries and Research Prospects from 6- to 10-Meter-Class Telescopes II, (13 February 2003); doi: 10.1117/12.457637
Show Author Affiliations
Jean Gabriel Cuby, European Southern Observatory (Chile)
Oliver Le Fevre, Lab. d'Astrophysique de Marseille (France)
Henry McCracken, Osservatorio Astronomico di Bologna (Italy)
Jean-Charles Cuillandre, Canada-France-Hawaii Telescope Corp. (United States)
Eugene Magnier, Canada-France-Hawaii Telescope Corp. (United States)
Roberto Gilmozzi, European Southern Observatory (Chile)
Alan F. M. Moorwood, European Southern Observatory (Germany)
Paul P. van der Werf, Leiden Observatory (Netherlands)
Baptiste Meneux, Lab. d'Astrophysique de Marseille (France)

Published in SPIE Proceedings Vol. 4834:
Discoveries and Research Prospects from 6- to 10-Meter-Class Telescopes II
Puragra Guhathakurta, Editor(s)

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