HerMES: Halo occupation number and bias properties of dusty galaxies from angular clustering measurements

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 densi...

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Main Authors: Cooray, A, Amblard, A, Wang, L, Arumugam, V, Auld, R, Aussel, H, Babbedge, T, Blain, A, Bock, J, Boselli, A, Buat, V, Burgarella, D, Castro-Rodriguez, N, Cava, A, Chanial, P, Clements, D, Conley, A, Conversi, L, Dowell, C, Dwek, E, Eales, S, Elbaz, D, Farrah, D, Fox, M, Franceschini, A
Format: Journal article
Language:English
Published: 2010
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author Cooray, A
Amblard, A
Wang, L
Arumugam, V
Auld, R
Aussel, H
Babbedge, T
Blain, A
Bock, J
Boselli, A
Buat, V
Burgarella, D
Castro-Rodriguez, N
Cava, A
Chanial, P
Clements, D
Conley, A
Conversi, L
Dowell, C
Dwek, E
Eales, S
Elbaz, D
Farrah, D
Fox, M
Franceschini, A
author_facet Cooray, A
Amblard, A
Wang, L
Arumugam, V
Auld, R
Aussel, H
Babbedge, T
Blain, A
Bock, J
Boselli, A
Buat, V
Burgarella, D
Castro-Rodriguez, N
Cava, A
Chanial, P
Clements, D
Conley, A
Conversi, L
Dowell, C
Dwek, E
Eales, S
Elbaz, D
Farrah, D
Fox, M
Franceschini, A
author_sort Cooray, A
collection OXFORD
description 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)×1012 M⊙, while (14±8)% of such sources appear as satellites in more massive halos. © ESO 2010.
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spelling oxford-uuid:c653319d-aadb-4645-971b-c8a13c67f1f42022-03-27T06:37:17ZHerMES: Halo occupation number and bias properties of dusty galaxies from angular clustering measurementsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:c653319d-aadb-4645-971b-c8a13c67f1f4EnglishSymplectic Elements at Oxford2010Cooray, AAmblard, AWang, LArumugam, VAuld, RAussel, HBabbedge, TBlain, ABock, JBoselli, ABuat, VBurgarella, DCastro-Rodriguez, NCava, AChanial, PClements, DConley, AConversi, LDowell, CDwek, EEales, SElbaz, DFarrah, DFox, MFranceschini, AWe 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)×1012 M⊙, while (14±8)% of such sources appear as satellites in more massive halos. © ESO 2010.
spellingShingle Cooray, A
Amblard, A
Wang, L
Arumugam, V
Auld, R
Aussel, H
Babbedge, T
Blain, A
Bock, J
Boselli, A
Buat, V
Burgarella, D
Castro-Rodriguez, N
Cava, A
Chanial, P
Clements, D
Conley, A
Conversi, L
Dowell, C
Dwek, E
Eales, S
Elbaz, D
Farrah, D
Fox, M
Franceschini, A
HerMES: Halo occupation number and bias properties of dusty galaxies from angular clustering measurements
title HerMES: Halo occupation number and bias properties of dusty galaxies from angular clustering measurements
title_full HerMES: Halo occupation number and bias properties of dusty galaxies from angular clustering measurements
title_fullStr HerMES: Halo occupation number and bias properties of dusty galaxies from angular clustering measurements
title_full_unstemmed HerMES: Halo occupation number and bias properties of dusty galaxies from angular clustering measurements
title_short HerMES: Halo occupation number and bias properties of dusty galaxies from angular clustering measurements
title_sort hermes halo occupation number and bias properties of dusty galaxies from angular clustering measurements
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