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26 April 2024

» arxiv » astro-ph/0308151

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The bispectrum of the Lyman-alpha forest at z~2-2.4 from a Large sample of UVES QSO Absorption Spectra (LUQAS)
M. Viel ; S. Matarrese ; A. Heavens ; M.G. Haehnelt ; T.-S. Kim ; V. Springel ; L. Hernquist ;
Date:	11 Aug 2003
Journal:	Mon.Not.Roy.Astron.Soc. 347 (2004) L26
Subject:	astro-ph
Abstract:	We present a determination of the bispectrum of the flux in the Lyman-alpha forest of QSO absorption spectra obtained from LUQAS which consists of spectra observed with the high resolution Echelle spectrograph UVES. Typical errors on the observed bispectrum as obtained from a jack-knife estimator are ~ 50%. For wavenumbers in the range 0.03 s/km 2.
Source:	arXiv, astro-ph/0308151
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