The bispectrum of the Lyman-alpha forest at z~2-2.4 from a Large sample of UVES QSO Absorption Spectra (LUQAS)

Details The bispectrum of the Lyman-alpha forest at z~2-2.4 from a Large sample of UVES QSO Absorption Spectra (LUQAS) The bispectrum of the Lyman-alpha forest at z~2-2.4 from a Large sample of UVES QSO Absorption Spectra (LUQAS)

2003-08-11

arxiv.org/abs/astro-ph/0308151v2

Mon.Not.Roy.Astron.Soc.347:L26,2004

Astronomy and Astrophysics

Astrophysics

6 pages, 3 figures, 1 table. A table can be found at http://www.ast.cam.ac.uk/~rtnigm/luqas.htm To be published in MNRAS Lette

Scientific paper

10.1111/j.1365-2966.2004.07404.x

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.

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