Cosmological constraints from the SDSS luminous red galaxies

Max Tegmark, Daniel J. Eisenstein, Michael A. Strauss, David H. Weinberg, Michael R. Blanton, Joshua A. Frieman, Masataka Fukugita, James E. Gunn, Andrew J.S. Hamilton, Gillian R. Knapp, Robert C. Nichol, Jeremiah P. Ostriker, Nikhil Padmanabhan, Will J. Percival, David J. Schlegel, Donald P. Schneider, Roman Scoccimarro, Uroš Seljak, Hee Jong Seo, Molly SwansonAlexander S. Szalay, Michael S. Vogeley, Jaiyul Yoo, Idit Zehavi, Kevork Abazajian, Scott F. Anderson, James Annis, Neta A. Bahcall, Bruce Bassett, Andreas Berlind, Jon Brinkmann, Tamás Budavari, Francisco Castander, Andrew Connolly, Istvan Csabai, Mamoru Doi, Douglas P. Finkbeiner, Bruce Gillespie, Karl Glazebrook, Gregory S. Hennessy, David W. Hogg, Željko Ivezić, Bhuvnesh Jain, David Johnston, Stephen Kent, Donald Q. Lamb, Brian C. Lee, Huan Lin, Jon Loveday, Robert H. Lupton, Jeffrey A. Munn, Kaike Pan, Changbom Park, John Peoples, Jeffrey R. Pier, Adrian Pope, Michael Richmond, Constance Rockosi, Ryan Scranton, Ravi K. Sheth, Albert Stebbins, Christopher Stoughton, István Szapudi, Douglas L. Tucker, Daniel E.Vanden Berk, Brian Yanny, Donald G. York

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Abstract

We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological parameters from the Wilkinson Microwave Anisotropy Probe (WMAP). We employ a matrix-based power spectrum estimation method using Pseudo-Karhunen-Loève eigenmodes, producing uncorrelated minimum-variance measurements in 20 k-bands of both the clustering power and its anisotropy due to redshift-space distortions, with narrow and well-behaved window functions in the range 0.01h/Mpc<k<0.2h/Mpc. Results from the LRG and main galaxy samples are consistent, with the former providing higher signal-to-noise. Our results are robust to omitting angular and radial density fluctuations and are consistent between different parts of the sky. They provide a striking confirmation of the predicted large-scale ΛCDM power spectrum. Combining only SDSS LRG and WMAP data places robust constraints on many cosmological parameters that complement prior analyses of multiple data sets. The LRGs provide independent cross-checks on Ωm and the baryon fraction in good agreement with WMAP. Within the context of flat ΛCDM models, our LRG measurements complement WMAP by sharpening the constraints on the matter density, the neutrino density and the tensor amplitude by about a factor of 2, giving Ωm=0.24±0.02 (1σ), Σmν 0.9eV (95%) and r<0.3 (95%). Baryon oscillations are clearly detected and provide a robust measurement of the comoving distance to the median survey redshift z=0.35 independent of curvature and dark energy properties. Within the ΛCDM framework, our power spectrum measurement improves the evidence for spatial flatness, sharpening the curvature constraint Ωtot=1.05±0. 05 from WMAP alone to Ωtot=1.003±0.010. Assuming Ωtot=1, the equation of state parameter is constrained to w=-0.94±0.09, indicating the potential for more ambitious future LRG measurements to provide precision tests of the nature of dark energy. All these constraints are essentially independent of scales k>0.1h/Mpc and associated nonlinear complications, yet agree well with more aggressive published analyses where nonlinear modeling is crucial.

Original languageEnglish (US)
Article number123507
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume74
Issue number12
DOIs
StatePublished - Dec 18 2006

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power spectra
galaxies
Microwave Anisotropy Probe
anisotropy
matrices

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

Cite this

Tegmark, M., Eisenstein, D. J., Strauss, M. A., Weinberg, D. H., Blanton, M. R., Frieman, J. A., ... York, D. G. (2006). Cosmological constraints from the SDSS luminous red galaxies. Physical Review D - Particles, Fields, Gravitation and Cosmology, 74(12), [123507]. https://doi.org/10.1103/PhysRevD.74.123507
Tegmark, Max ; Eisenstein, Daniel J. ; Strauss, Michael A. ; Weinberg, David H. ; Blanton, Michael R. ; Frieman, Joshua A. ; Fukugita, Masataka ; Gunn, James E. ; Hamilton, Andrew J.S. ; Knapp, Gillian R. ; Nichol, Robert C. ; Ostriker, Jeremiah P. ; Padmanabhan, Nikhil ; Percival, Will J. ; Schlegel, David J. ; Schneider, Donald P. ; Scoccimarro, Roman ; Seljak, Uroš ; Seo, Hee Jong ; Swanson, Molly ; Szalay, Alexander S. ; Vogeley, Michael S. ; Yoo, Jaiyul ; Zehavi, Idit ; Abazajian, Kevork ; Anderson, Scott F. ; Annis, James ; Bahcall, Neta A. ; Bassett, Bruce ; Berlind, Andreas ; Brinkmann, Jon ; Budavari, Tamás ; Castander, Francisco ; Connolly, Andrew ; Csabai, Istvan ; Doi, Mamoru ; Finkbeiner, Douglas P. ; Gillespie, Bruce ; Glazebrook, Karl ; Hennessy, Gregory S. ; Hogg, David W. ; Ivezić, Željko ; Jain, Bhuvnesh ; Johnston, David ; Kent, Stephen ; Lamb, Donald Q. ; Lee, Brian C. ; Lin, Huan ; Loveday, Jon ; Lupton, Robert H. ; Munn, Jeffrey A. ; Pan, Kaike ; Park, Changbom ; Peoples, John ; Pier, Jeffrey R. ; Pope, Adrian ; Richmond, Michael ; Rockosi, Constance ; Scranton, Ryan ; Sheth, Ravi K. ; Stebbins, Albert ; Stoughton, Christopher ; Szapudi, István ; Tucker, Douglas L. ; Berk, Daniel E.Vanden ; Yanny, Brian ; York, Donald G. / Cosmological constraints from the SDSS luminous red galaxies. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2006 ; Vol. 74, No. 12.
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Tegmark, M, Eisenstein, DJ, Strauss, MA, Weinberg, DH, Blanton, MR, Frieman, JA, Fukugita, M, Gunn, JE, Hamilton, AJS, Knapp, GR, Nichol, RC, Ostriker, JP, Padmanabhan, N, Percival, WJ, Schlegel, DJ, Schneider, DP, Scoccimarro, R, Seljak, U, Seo, HJ, Swanson, M, Szalay, AS, Vogeley, MS, Yoo, J, Zehavi, I, Abazajian, K, Anderson, SF, Annis, J, Bahcall, NA, Bassett, B, Berlind, A, Brinkmann, J, Budavari, T, Castander, F, Connolly, A, Csabai, I, Doi, M, Finkbeiner, DP, Gillespie, B, Glazebrook, K, Hennessy, GS, Hogg, DW, Ivezić, Ž, Jain, B, Johnston, D, Kent, S, Lamb, DQ, Lee, BC, Lin, H, Loveday, J, Lupton, RH, Munn, JA, Pan, K, Park, C, Peoples, J, Pier, JR, Pope, A, Richmond, M, Rockosi, C, Scranton, R, Sheth, RK, Stebbins, A, Stoughton, C, Szapudi, I, Tucker, DL, Berk, DEV, Yanny, B & York, DG 2006, 'Cosmological constraints from the SDSS luminous red galaxies', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 74, no. 12, 123507. https://doi.org/10.1103/PhysRevD.74.123507

Cosmological constraints from the SDSS luminous red galaxies. / Tegmark, Max; Eisenstein, Daniel J.; Strauss, Michael A.; Weinberg, David H.; Blanton, Michael R.; Frieman, Joshua A.; Fukugita, Masataka; Gunn, James E.; Hamilton, Andrew J.S.; Knapp, Gillian R.; Nichol, Robert C.; Ostriker, Jeremiah P.; Padmanabhan, Nikhil; Percival, Will J.; Schlegel, David J.; Schneider, Donald P.; Scoccimarro, Roman; Seljak, Uroš; Seo, Hee Jong; Swanson, Molly; Szalay, Alexander S.; Vogeley, Michael S.; Yoo, Jaiyul; Zehavi, Idit; Abazajian, Kevork; Anderson, Scott F.; Annis, James; Bahcall, Neta A.; Bassett, Bruce; Berlind, Andreas; Brinkmann, Jon; Budavari, Tamás; Castander, Francisco; Connolly, Andrew; Csabai, Istvan; Doi, Mamoru; Finkbeiner, Douglas P.; Gillespie, Bruce; Glazebrook, Karl; Hennessy, Gregory S.; Hogg, David W.; Ivezić, Željko; Jain, Bhuvnesh; Johnston, David; Kent, Stephen; Lamb, Donald Q.; Lee, Brian C.; Lin, Huan; Loveday, Jon; Lupton, Robert H.; Munn, Jeffrey A.; Pan, Kaike; Park, Changbom; Peoples, John; Pier, Jeffrey R.; Pope, Adrian; Richmond, Michael; Rockosi, Constance; Scranton, Ryan; Sheth, Ravi K.; Stebbins, Albert; Stoughton, Christopher; Szapudi, István; Tucker, Douglas L.; Berk, Daniel E.Vanden; Yanny, Brian; York, Donald G.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 74, No. 12, 123507, 18.12.2006.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Cosmological constraints from the SDSS luminous red galaxies

AU - Tegmark, Max

AU - Eisenstein, Daniel J.

AU - Strauss, Michael A.

AU - Weinberg, David H.

AU - Blanton, Michael R.

AU - Frieman, Joshua A.

AU - Fukugita, Masataka

AU - Gunn, James E.

AU - Hamilton, Andrew J.S.

AU - Knapp, Gillian R.

AU - Nichol, Robert C.

AU - Ostriker, Jeremiah P.

AU - Padmanabhan, Nikhil

AU - Percival, Will J.

AU - Schlegel, David J.

AU - Schneider, Donald P.

AU - Scoccimarro, Roman

AU - Seljak, Uroš

AU - Seo, Hee Jong

AU - Swanson, Molly

AU - Szalay, Alexander S.

AU - Vogeley, Michael S.

AU - Yoo, Jaiyul

AU - Zehavi, Idit

AU - Abazajian, Kevork

AU - Anderson, Scott F.

AU - Annis, James

AU - Bahcall, Neta A.

AU - Bassett, Bruce

AU - Berlind, Andreas

AU - Brinkmann, Jon

AU - Budavari, Tamás

AU - Castander, Francisco

AU - Connolly, Andrew

AU - Csabai, Istvan

AU - Doi, Mamoru

AU - Finkbeiner, Douglas P.

AU - Gillespie, Bruce

AU - Glazebrook, Karl

AU - Hennessy, Gregory S.

AU - Hogg, David W.

AU - Ivezić, Željko

AU - Jain, Bhuvnesh

AU - Johnston, David

AU - Kent, Stephen

AU - Lamb, Donald Q.

AU - Lee, Brian C.

AU - Lin, Huan

AU - Loveday, Jon

AU - Lupton, Robert H.

AU - Munn, Jeffrey A.

AU - Pan, Kaike

AU - Park, Changbom

AU - Peoples, John

AU - Pier, Jeffrey R.

AU - Pope, Adrian

AU - Richmond, Michael

AU - Rockosi, Constance

AU - Scranton, Ryan

AU - Sheth, Ravi K.

AU - Stebbins, Albert

AU - Stoughton, Christopher

AU - Szapudi, István

AU - Tucker, Douglas L.

AU - Berk, Daniel E.Vanden

AU - Yanny, Brian

AU - York, Donald G.

PY - 2006/12/18

Y1 - 2006/12/18

N2 - We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological parameters from the Wilkinson Microwave Anisotropy Probe (WMAP). We employ a matrix-based power spectrum estimation method using Pseudo-Karhunen-Loève eigenmodes, producing uncorrelated minimum-variance measurements in 20 k-bands of both the clustering power and its anisotropy due to redshift-space distortions, with narrow and well-behaved window functions in the range 0.01h/Mpc0.1h/Mpc and associated nonlinear complications, yet agree well with more aggressive published analyses where nonlinear modeling is crucial.

AB - We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological parameters from the Wilkinson Microwave Anisotropy Probe (WMAP). We employ a matrix-based power spectrum estimation method using Pseudo-Karhunen-Loève eigenmodes, producing uncorrelated minimum-variance measurements in 20 k-bands of both the clustering power and its anisotropy due to redshift-space distortions, with narrow and well-behaved window functions in the range 0.01h/Mpc0.1h/Mpc and associated nonlinear complications, yet agree well with more aggressive published analyses where nonlinear modeling is crucial.

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Tegmark M, Eisenstein DJ, Strauss MA, Weinberg DH, Blanton MR, Frieman JA et al. Cosmological constraints from the SDSS luminous red galaxies. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2006 Dec 18;74(12). 123507. https://doi.org/10.1103/PhysRevD.74.123507