A Spherical Harmonic Approach to Redshift Distortion and a Measurement of Omega from the 1.2 Jy IRAS Redshift Survey
Karl B. Fisher, Caleb A. Scharf, Ofer Lahav
Abstract
We present a formalism for analysing redshift distortions based on a spherical harmonic expansion of the density field. We use a maximum likelihood estimator for the combination of density and bias parameters, Ω0.6/b. We test the method with N-body simulations and apply it to the 1.2 Jy IRAS redshift survey.
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