Linear Redshift Distortions and Power in the PSCz Survey

Details Linear Redshift Distortions and Power in the PSCz Survey Linear Redshift Distortions and Power in the PSCz Survey

2000-04-25

arxiv.org/abs/astro-ph/0004334v2

Mon.Not.Roy.Astron.Soc.317:L23,2000

Astronomy and Astrophysics

Astrophysics

Minor changes to agree with accepted version. Slight changes to power spectrum, including one more point added at large scales

Scientific paper

10.1046/j.1365-8711.2000.03888.x

We present a state-of-the-art linear redshift distortion analysis of the recently published IRAS Point Source Catalog Redshift Survey (PSCz). The procedure involves linear compression into 4096 Karhunen-Loeve modes culled from a potential pool of about 3 x 10^5 modes, followed by quadratic compression into three separate power spectra, the galaxy-galaxy, galaxy-velocity, and velocity-velocity power spectra. Least squares fitting to the decorrelated power spectra yields a linear redshift distortion parameter beta = Omega_m^0.6/b = 0.41(+0.13,-0.12).

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