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Article: The Dipole Anisotropy of the 2mass Redshift Survey

TitleThe Dipole Anisotropy of the 2mass Redshift Survey
Authors
KeywordsAstrophysics
Issue Date2006
Citation
ArXiv Astrophysics e-prints, 2006, p. 5343-5343 How to Cite?
AbstractWe estimate the flux weighted acceleration on the Local Group (LG) from the near-infrared Two Micron All Sky Redshift Survey (2MRS). 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. We use this method with the redshift information to determine the change in dipole with distance. The LG dipole seemingly converges by 60 Mpc/h. Assuming convergence, the comparison of the 2MRS flux dipole and the CMB dipole provides a value for the combination of the mass density and luminosity bias parameters Omega_m^0.6/b_L= 0.40+/-0.09.
Persistent Identifierhttp://hdl.handle.net/10722/211298

 

DC FieldValueLanguage
dc.contributor.authorErdogdu, P-
dc.contributor.authorHuchra, JP-
dc.contributor.authorLahav, O-
dc.contributor.authorColless, M-
dc.contributor.authorCutri, RM-
dc.contributor.authorFalco, E-
dc.contributor.authorGeorge, T-
dc.contributor.authorJarrett, T-
dc.contributor.authorJones, DH-
dc.contributor.authorKochanek, CS-
dc.contributor.authorMacri, L-
dc.contributor.authorMader, J-
dc.contributor.authorMartimbeau, N-
dc.contributor.authorPahre, M-
dc.contributor.authorParker, QA-
dc.contributor.authorRassat, A-
dc.contributor.authorSaunders, W-
dc.date.accessioned2015-07-08T03:24:20Z-
dc.date.available2015-07-08T03:24:20Z-
dc.date.issued2006-
dc.identifier.citationArXiv Astrophysics e-prints, 2006, p. 5343-5343-
dc.identifier.urihttp://hdl.handle.net/10722/211298-
dc.description.abstractWe estimate the flux weighted acceleration on the Local Group (LG) from the near-infrared Two Micron All Sky Redshift Survey (2MRS). 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. We use this method with the redshift information to determine the change in dipole with distance. The LG dipole seemingly converges by 60 Mpc/h. Assuming convergence, the comparison of the 2MRS flux dipole and the CMB dipole provides a value for the combination of the mass density and luminosity bias parameters Omega_m^0.6/b_L= 0.40+/-0.09.-
dc.languageeng-
dc.relation.ispartofArXiv Astrophysics e-prints-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectAstrophysics-
dc.titleThe Dipole Anisotropy of the 2mass Redshift Survey-
dc.typeArticle-
dc.identifier.emailParker, QA: quentinp@hku.hk-
dc.identifier.authorityParker, QA=rp02017-
dc.description.naturepostprint-
dc.identifier.spage5343-
dc.identifier.epage5343-

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