The clustering properties of radio-selected AGN and star-forming galaxies up to redshifts z~3

Abstract

We present the clustering properties of a complete sample of 968 radio sources detected at 1.4 GHz by the VLA-COSMOS survey with radio fluxes brighter than 0.15 mJy. 92% have redshift determinations from the Laigle et al. (2016) catalogue. Based on their radio-luminosity, these objects have been divided into two populations of 644 AGN and 247 star-forming galaxies. By fixing the slope of the auto-correlation function to gamma=2, we find r_0=11.7^{+1.0}_{-1.1} Mpc for the clustering length of the whole sample, while r_0=11.2^{+2.5}_{-3.3} Mpc and r_0=7.8^{+1.6}_{-2.1} Mpc (r_0=6.8^{+1.4}_{-1.8} Mpc if we restrict our analysis to z<0.9) are respectively obtained for AGN and star-forming galaxies. These values correspond to minimum masses for dark matter haloes of M_min=10^[13.6^{+0.3}_{-0.6}] M_sun for radio-selected AGN and M_min=10^[13.1^{+0.4}_{-1.6}] M_sun for radio-emitting star-forming galaxies (M_min=10^[12.7^{+0.7}_{-2.2}] M_sun for z<0.9). Comparisons with previous works imply an independence of the clustering properties of the AGN population with respect to both radio luminosity and redshift. We also investigate the relationship between dark and luminous matter in both populations. We obtain <M*>/M_halo<~10^{-2.7} for AGN, and <M*>/M_halo<~10^{-2.4} in the case of star-forming galaxies. Furthermore, if we restrict to z<~0.9 star-forming galaxies, we derive <M*>/M_halo<~10^{-2.1}, result which clearly indicates the cosmic process of stellar build-up as one moves towards the more local universe. Comparisons between the observed space density of radio-selected AGN and that of dark matter haloes shows that about one in two haloes is associated with a black hole in its radio-active phase. This suggests that the radio-active phase is a recurrent phenomenon.

11 pages, 7 figures, minor changes to match published version on MNRAS

References in corpus (16)

• The Cosmic Evolution Survey (COSMOS) -- Overview
• The COSMOS2015 Catalog: Exploring the 1<z<6 Universe with half a million galaxies
• The Chandra COSMOS Legacy survey: overview and point source catalog
• The Cosmic Evolution Survey (COSMOS): Subaru Observations of the HST COSMOS Field
• Radio sources in the 6dFGS: Local luminosity functions at 1.4 GHz for star-forming galaxies and radio-loud AGN
• The Chandra COSMOS Legacy survey: optical/IR identifications
• The VLA-COSMOS Survey: II. Source Catalog of the Large Project
• The VLA-COSMOS Survey: III. Further Catalog Analysis and the Radio Source Counts
• Why z > 1 radio-loud galaxies are commonly located in proto-clusters
• The clustering of radio galaxies at z~0.55 from the 2SLAQ LRG survey
• On the evolution of clustering of 24um-selected galaxies
• Clustering Properties of restframe UV selected galaxies II: Migration of Star Formation sites with cosmic time from GALEX and CFHTLS
• The PEP Survey: Infrared Properties of Radio-Selected AGN
• The large scale clustering of radio sources
• The PEP Survey: evidence for intense star-forming activity in the majority of radio-selected AGN at z>~1
• Clustering of star-forming galaxies detected in mid-infrared with the Spitzer wide-area survey

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