Cross-correlation of cosmic far-infrared background anisotropies with large scale structures

P. Serra, G. Lagache, O. Doré, A. Pullen, M. White

    Research output: Contribution to journalArticle

    Abstract

    We measure the cross-power spectra between luminous red galaxies (LRGs) from the Sloan Digital Sky Survey (SDSS)-III data release 8 (DR8) and cosmic infrared background (CIB) anisotropies from Planck and data from the Improved Reprocessing (IRIS) of the Infrared Astronomical Satellite (IRAS) at 353, 545, 857, and 3000 GHz, corresponding to 850, 550, 350 and 100 μm, respectively, in the multipole range 100 < l < 1000. Using approximately 6.5 × 105 photometrically determined LRGs in 7760 deg2 of the northern hemisphere in the redshift range 0.45 < z < 0.65, we model the far-infrared background (FIRB) anisotropies with an extended version of the halo model. With these methods, we confirm the basic picture obtained from recent analyses of FIRB anisotropies with Herschel and Planck, that the most efficient halo mass at hosting star forming galaxies is log (Meff/M) = 12.84 ± 0.15. We estimate the percentage of FIRB anisotropies correlated with LRGs as approximately 11.8%, 3.9%, 1.8%, and 1.0% of the total at 3000, 857, 545, and 353 GHz, respectively. At redshift z ~ 0.55, the bias of FIRB galaxies with respect to the dark matter density field has the value bFIRB ~ 1.45, and the mean dust temperature of FIRB galaxies is Td = 26 K. Finally, we discuss the impact of present and upcoming cross-correlations with far-infrared background anisotropies on the determination of the global star formation history and the link between galaxies and dark matter.

    Original languageEnglish (US)
    Article numberA98
    JournalAstronomy and Astrophysics
    Volume570
    DOIs
    StatePublished - Oct 1 2014

    Fingerprint

    cross correlation
    anisotropy
    galaxies
    halos
    dark matter
    astronomical satellites
    Northern Hemisphere
    dust
    multipoles
    power spectra
    star formation
    histories
    history
    stars
    temperature
    estimates

    Keywords

    • Cosmic background radiation
    • Galaxies: evolution
    • Galaxies: statistics
    • Infrared: diffuse background
    • Large-scale structure of Universe

    ASJC Scopus subject areas

    • Astronomy and Astrophysics
    • Space and Planetary Science

    Cite this

    Cross-correlation of cosmic far-infrared background anisotropies with large scale structures. / Serra, P.; Lagache, G.; Doré, O.; Pullen, A.; White, M.

    In: Astronomy and Astrophysics, Vol. 570, A98, 01.10.2014.

    Research output: Contribution to journalArticle

    Serra, P. ; Lagache, G. ; Doré, O. ; Pullen, A. ; White, M. / Cross-correlation of cosmic far-infrared background anisotropies with large scale structures. In: Astronomy and Astrophysics. 2014 ; Vol. 570.
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    AU - Lagache, G.

    AU - Doré, O.

    AU - Pullen, A.

    AU - White, M.

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    AB - We measure the cross-power spectra between luminous red galaxies (LRGs) from the Sloan Digital Sky Survey (SDSS)-III data release 8 (DR8) and cosmic infrared background (CIB) anisotropies from Planck and data from the Improved Reprocessing (IRIS) of the Infrared Astronomical Satellite (IRAS) at 353, 545, 857, and 3000 GHz, corresponding to 850, 550, 350 and 100 μm, respectively, in the multipole range 100 < l < 1000. Using approximately 6.5 × 105 photometrically determined LRGs in 7760 deg2 of the northern hemisphere in the redshift range 0.45 < z < 0.65, we model the far-infrared background (FIRB) anisotropies with an extended version of the halo model. With these methods, we confirm the basic picture obtained from recent analyses of FIRB anisotropies with Herschel and Planck, that the most efficient halo mass at hosting star forming galaxies is log (Meff/M⊙) = 12.84 ± 0.15. We estimate the percentage of FIRB anisotropies correlated with LRGs as approximately 11.8%, 3.9%, 1.8%, and 1.0% of the total at 3000, 857, 545, and 353 GHz, respectively. At redshift z ~ 0.55, the bias of FIRB galaxies with respect to the dark matter density field has the value bFIRB ~ 1.45, and the mean dust temperature of FIRB galaxies is Td = 26 K. Finally, we discuss the impact of present and upcoming cross-correlations with far-infrared background anisotropies on the determination of the global star formation history and the link between galaxies and dark matter.

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    KW - Galaxies: evolution

    KW - Galaxies: statistics

    KW - Infrared: diffuse background

    KW - Large-scale structure of Universe

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    U2 - 10.1051/0004-6361/201423958

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