Large scale structure in the two micron all sky survey

Abstract

The unprecedented sky coverage and photometric uniformity of the Two Micron All Sky Survey (2MASS) [1] provides a rich resource for obtaining an understanding of the galaxies populating the local Universe. Characterizing the large-scale clustering distribution is important for theoretical studies of structure formation. 2MASS offers an all-sky view at two microns, unbiased by young stellar light and minimally affected by dust. We use 2MASS to measure the clustering dipole in the Ks band and compare this to the velocity of the Local Group as measured by the CMB dipole [2]. We also measure the angular correlation function and from this infer the K-band three dimensional power spectrum [3]

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