Cooray, A. and Blain, A. and Bock, J. and Dowell, C. D. and Levenson, L. and Lu, N. and Nguyen, H. T. and Schulz, B. and Shupe, D. L. and Vieira, J. D. and Xu, C. K. and Zemcov, M. (2010) HerMES: Halo occupation number and bias properties of dusty galaxies from angular clustering measurements. Astronomy and Astrophysics, 518 . Art. No. L22. ISSN 0004-6361 http://resolver.caltech.edu/CaltechAUTHORS:20101201-081855281
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We measure the angular correlation function, w(θ), from 0.5 to 30 arcmin of detected sources in two wide fields of the Herschel Multi-tiered Extragalactic Survey (HerMES). Our measurements are consistent with the expected clustering shape from a population of sources that trace the dark matter density field, including non-linear clustering at arcminute angular scales arising from multiple sources that occupy the same dark matter halos. By making use of the halo model to connect the spatial clustering of sources to the dark matter halo distribution, we estimate source bias and halo occupation number for dusty sub-mm galaxies at z ~ 2. We find that sub-mm galaxies with 250 μm flux densities above 30 mJy reside in dark matter halos with mass above (5 ± 4) × 10^(12) M_⊙ while (14 ± 8)% of such sources appear as satellites in more massive halos.
|Additional Information:||© 2010 ESO. Received 31 March 2010, Accepted 19 April 2010, Published online 16 July 2010. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA. Cooray, Amblard, Serra, Khostovan, and Mitchell-Wynne are supported by NASA funds for US participants in Herschel through an award from JPL. SPIRE has been developed by a consortium of institutes led by Cardiff University (UK) and including Univ. Lethbridge (Canada); NAOC (China); CEA, LAM (France); IFSI, Univ. Padua (Italy); IAC (Spain); Stockholm Observatory (Sweden); Imperial College London, RAL, UCL-MSSL, UKATC, Univ. Sussex (UK); and Caltech/JPL, IPAC, Univ. Colorado (USA). This development has been supported by national funding agencies: CSA (Canada); NAOC (China); CEA, CNES, CNRS (France); ASI (Italy); MCINN (Spain); SNSB (Sweden); STFC (UK); and NASA (USA). The data presented in this paper will be released through the HeDaM Database in Marseille.|
|Subject Keywords:||submillimeter: galaxies, large-scale structure of Universe, cosmology: observations, galaxies: evolution, galaxies: high-redshift|
|Official Citation:||HerMES: Halo occupation number and bias properties of dusty galaxies from angular clustering measurements A. Cooray, A. Amblard, L. Wang, V. Arumugam, R. Auld, H. Aussel, T. Babbedge, A. Blain, J. Bock, A. Boselli, V. Buat, D. Burgarella, N. Castro-Rodriguez, A. Cava, P. Chanial, D. L. Clements, A. Conley, L. Conversi, C. D. Dowell, E. Dwek, S. Eales, D. Elbaz, D. Farrah, M. Fox, A. Franceschini, W. Gear, J. Glenn, M. Griffin, M. Halpern, E. Hatziminaoglou, E. Ibar, K. Isaak, R. J. Ivison, A. A. Khostovan, G. Lagache, L. Levenson, N. Lu, S. Madden, B. Maffei, G. Mainetti, L. Marchetti, G. Marsden, K. Mitchell-Wynne, A. M. J. Mortier, H. T. Nguyen, B. O'Halloran, S. J. Oliver, A. Omont, M. J. Page, P. Panuzzo, A. Papageorgiou, C. P. Pearson, I. Perez Fournon, M. Pohlen, J. I. Rawlings, G. Raymond, D. Rigopoulou, D. Rizzo, I. G. Roseboom, M. Rowan-Robinson, B. Schulz, D. Scott, P. Serra, N. Seymour, D. L. Shupe, A. J. Smith, J. A. Stevens, M. Symeonidis, M. Trichas, K. E. Tugwell, M. Vaccari, I. Valtchanov, J. D. Vieira, L. Vigroux, R. Ward, G. Wright, C. K. Xu and M. Zemcov A&A 518 L22 (2010) DOI: 10.1051/0004-6361/201014597|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Benjamin Perez|
|Deposited On:||01 Dec 2010 17:44|
|Last Modified:||26 Dec 2012 12:42|
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