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The 2dF Galaxy Redshift Survey: Spherical harmonics analysis of fluctuations in the final catalogue

Abstract:

We present the result of a decomposition of the 2dF Galaxy Redshift Survey (2dFGRS) galaxy overdensity field into an orthonormal basis of spherical harmonics and spherical Bessel functions. Galaxies are expected to directly follow the bulk motion of the density field on large scales, so the absolute amplitude of the observed large-scale redshift-space distortions caused by this motion is expected to be independent of galaxy properties. By splitting the overdensity field into radial and angula...

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Authors


Percival, WJ More by this author
Heavens, A More by this author
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Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
353
Issue:
4
Pages:
1201-1218
Publication date:
2004-10-01
DOI:
ISSN:
0035-8711
URN:
uuid:0512e253-1ba3-4d61-a914-7a797fa05e16
Source identifiers:
161047
Local pid:
pubs:161047

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