The 3D Galaxy Power Spectrum from Early SDSS Data

Details The 3D Galaxy Power Spectrum from Early SDSS Data The 3D Galaxy Power Spectrum from Early SDSS Data

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...200.7703t&link_type=abstract

American Astronomical Society, 200th AAS Meeting, #77.03; Bulletin of the American Astronomical Society, Vol. 34, p.777

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Scientific paper

We compute the real-space power spectrum and the redshift-space distortions of galaxies in early SDSS data and discuss cosmological implications. We use pseudo-Karhunen-Loeve eigenmodes and the stochastic bias formalism to obtain easy-to-interpret uncorrelated minimum-variance measurements of the galaxy-galaxy, galaxy-velocity and velocity-velocity power spectra with narrow and well-behaved window functions despite the rather complicated interim survey geometry. A series of tests are presented that allow potential systematic errors to be constrained.

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