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The dipole anisotropy of the 2 micron all-sky redshift survey

Jones, D Heath; Erdogdu, Pirin; Huchra, John; Lahav, Ofer; Colless, Matthew; Cutri, Roc; Falco, E; George, T; Jarrett, Thomas H; Kochanek, C.S; Macri, Lucas; Mader, J; Martimbeau, N; Pahre, M; Parker, Quentin A; Rassat, A; Saunders, Will


We estimate the acceleration on the Local Group (LG) from the 2 Micron All-Sky Redshift Survey (2MRS). The sample used includes about 23 200 galaxies with extinction-corrected magnitudes brighter than and it allows us to calculate the flux-weighted dipole. The near-infrared flux-weighted dipoles are very robust because they closely approximate a mass-weighted dipole, bypassing the effects of redshift distortions and require no preferred reference frame. This is combined with the redshift...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1365-2966.2006.10243.x


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