The clustering of massive galaxies at z ∼ 0.5 from the first semester of BOSS data

Martin White; M. Blanton; A. Bolton; D. Schlegel; J. Tinker; A. Berlind; L. Da Costa; E. Kazin; Y. T. Lin; M. Maia; C. K. McBride; N. Padmanabhan; J. Parejko; W. Percival; F. Prada; B. Ramos; E. Sheldon; F. De Simoni; R. Skibba; D. Thomas; D. Wake; I. Zehavi; Z. Zheng; R. Nichol; Donald P. Schneider; Michael A. Strauss; B. A. Weaver; David H. Weinberg

doi:10.1088/0004-637X/728/2/126

The clustering of massive galaxies at z ∼ 0.5 from the first semester of BOSS data

Martin White, M. Blanton, A. Bolton, D. Schlegel, J. Tinker, A. Berlind, L. Da Costa, E. Kazin, Y. T. Lin, M. Maia, C. K. McBride, N. Padmanabhan, J. Parejko, W. Percival, F. Prada, B. Ramos, E. Sheldon, F. De Simoni, R. Skibba, D. ThomasD. Wake, I. Zehavi, Z. Zheng, R. Nichol, Donald P. Schneider, Michael A. Strauss, B. A. Weaver, David H. Weinberg

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Abstract

We calculate the real-and redshift-space clustering of massive galaxies at z ∼ 0.5 using the first semester of data by the Baryon Oscillation Spectroscopic Survey (BOSS). We study the correlation functions of a sample of 44,000 massive galaxies in the redshift range 0.4 < z < 0.7. We present a halo-occupation distribution modeling of the clustering results and discuss the implications for the manner in which massive galaxies at z ∼ 0.5 occupy dark matter halos. The majority of our galaxies are central galaxies living in halos of mass 10¹³ h^-1 M_⊙, but 10% are satellites living in halos 10 times more massive. These results are broadly in agreement with earlier investigations of massive galaxies at z ∼ 0.5. The inferred large-scale bias (b ≈ 2) and relatively high number density (n̄ = 3 × 10-⁴ h³ Mpc^-3) imply that BOSS galaxies are excellent tracers of large-scale structure, suggesting BOSS will enable a wide range of investigations on the distance scale, the growth of large-scale structure, massive galaxy evolution, and other topics.

Original language	English (US)
Journal	Astrophysical Journal
Volume	728
Issue number	2
DOIs	https://doi.org/10.1088/0004-637X/728/2/126
State	Published - Feb 20 2011

Keywords

Large-scale structure of universe

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1088/0004-637X/728/2/126

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White, M., Blanton, M., Bolton, A., Schlegel, D., Tinker, J., Berlind, A., Da Costa, L., Kazin, E., Lin, Y. T., Maia, M., McBride, C. K., Padmanabhan, N., Parejko, J., Percival, W., Prada, F., Ramos, B., Sheldon, E., De Simoni, F., Skibba, R., ... Weinberg, D. H. (2011). The clustering of massive galaxies at z ∼ 0.5 from the first semester of BOSS data. Astrophysical Journal, 728(2). https://doi.org/10.1088/0004-637X/728/2/126

White, M, Blanton, M, Bolton, A, Schlegel, D, Tinker, J, Berlind, A, Da Costa, L, Kazin, E, Lin, YT, Maia, M, McBride, CK, Padmanabhan, N, Parejko, J, Percival, W, Prada, F, Ramos, B, Sheldon, E, De Simoni, F, Skibba, R, Thomas, D, Wake, D, Zehavi, I, Zheng, Z, Nichol, R, Schneider, DP, Strauss, MA, Weaver, BA & Weinberg, DH 2011, 'The clustering of massive galaxies at z ∼ 0.5 from the first semester of BOSS data', Astrophysical Journal, vol. 728, no. 2. https://doi.org/10.1088/0004-637X/728/2/126

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title = "The clustering of massive galaxies at z ∼ 0.5 from the first semester of BOSS data",

abstract = "We calculate the real-and redshift-space clustering of massive galaxies at z ∼ 0.5 using the first semester of data by the Baryon Oscillation Spectroscopic Survey (BOSS). We study the correlation functions of a sample of 44,000 massive galaxies in the redshift range 0.4 < z < 0.7. We present a halo-occupation distribution modeling of the clustering results and discuss the implications for the manner in which massive galaxies at z ∼ 0.5 occupy dark matter halos. The majority of our galaxies are central galaxies living in halos of mass 1013 h-1 M⊙, but 10% are satellites living in halos 10 times more massive. These results are broadly in agreement with earlier investigations of massive galaxies at z ∼ 0.5. The inferred large-scale bias (b ≈ 2) and relatively high number density ({\=n} = 3 × 10-4 h3 Mpc-3) imply that BOSS galaxies are excellent tracers of large-scale structure, suggesting BOSS will enable a wide range of investigations on the distance scale, the growth of large-scale structure, massive galaxy evolution, and other topics.",

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AU - White, Martin

AU - Blanton, M.

AU - Bolton, A.

AU - Schlegel, D.

AU - Tinker, J.

AU - Berlind, A.

AU - Da Costa, L.

AU - Kazin, E.

AU - Lin, Y. T.

AU - Maia, M.

AU - McBride, C. K.

AU - Padmanabhan, N.

AU - Parejko, J.

AU - Percival, W.

AU - Prada, F.

AU - Ramos, B.

AU - Sheldon, E.

AU - De Simoni, F.

AU - Skibba, R.

AU - Thomas, D.

AU - Wake, D.

AU - Zehavi, I.

AU - Zheng, Z.

AU - Nichol, R.

AU - Schneider, Donald P.

AU - Strauss, Michael A.

AU - Weaver, B. A.

AU - Weinberg, David H.

PY - 2011/2/20

Y1 - 2011/2/20

N2 - We calculate the real-and redshift-space clustering of massive galaxies at z ∼ 0.5 using the first semester of data by the Baryon Oscillation Spectroscopic Survey (BOSS). We study the correlation functions of a sample of 44,000 massive galaxies in the redshift range 0.4 < z < 0.7. We present a halo-occupation distribution modeling of the clustering results and discuss the implications for the manner in which massive galaxies at z ∼ 0.5 occupy dark matter halos. The majority of our galaxies are central galaxies living in halos of mass 1013 h-1 M⊙, but 10% are satellites living in halos 10 times more massive. These results are broadly in agreement with earlier investigations of massive galaxies at z ∼ 0.5. The inferred large-scale bias (b ≈ 2) and relatively high number density (n̄ = 3 × 10-4 h3 Mpc-3) imply that BOSS galaxies are excellent tracers of large-scale structure, suggesting BOSS will enable a wide range of investigations on the distance scale, the growth of large-scale structure, massive galaxy evolution, and other topics.

AB - We calculate the real-and redshift-space clustering of massive galaxies at z ∼ 0.5 using the first semester of data by the Baryon Oscillation Spectroscopic Survey (BOSS). We study the correlation functions of a sample of 44,000 massive galaxies in the redshift range 0.4 < z < 0.7. We present a halo-occupation distribution modeling of the clustering results and discuss the implications for the manner in which massive galaxies at z ∼ 0.5 occupy dark matter halos. The majority of our galaxies are central galaxies living in halos of mass 1013 h-1 M⊙, but 10% are satellites living in halos 10 times more massive. These results are broadly in agreement with earlier investigations of massive galaxies at z ∼ 0.5. The inferred large-scale bias (b ≈ 2) and relatively high number density (n̄ = 3 × 10-4 h3 Mpc-3) imply that BOSS galaxies are excellent tracers of large-scale structure, suggesting BOSS will enable a wide range of investigations on the distance scale, the growth of large-scale structure, massive galaxy evolution, and other topics.

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The clustering of massive galaxies at z ∼ 0.5 from the first semester of BOSS data

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Keywords

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