A spherical harmonic approach to redshift distortion and a measurement of Formula from the 1.2-Jy IRAS Redshift Survey | Zendy

Karl B. Fisher | Zendy; Caleb Scharf | Zendy; O. Lahav | Zendy

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A spherical harmonic approach to redshift distortion and a measurement of Formula from the 1.2-Jy IRAS Redshift Survey

Author(s) -

Karl B. Fisher,

Caleb Scharf,

O. Lahav

Publication year - 1994

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/266.1.219

Subject(s) - physics , redshift , estimator , astrophysics , formalism (music) , redshift survey , spherical harmonics , omega , distortion (music) , galaxy , quantum mechanics , statistics , art , musical , visual arts , amplifier , mathematics , optoelectronics , cmos

We present a formalism for analysing redshift distortions based on aspherical harmonic expansion of the density field. We use a maximum likelihoodestimator for the combination of density and bias parameters, $\Omega^0.6/b$.We test the method with $N$-body simulations and apply it to the 1.2 Jy IRASredshift survey.Comment: 8 pages--uuencoded postscript fil

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