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    The evolution of active galactic nuclei in clusters of galaxies from the Dark Energy Survey

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    Author
    Bufanda, E.
    Hollowood, D.
    Jeltema, T. E.
    Rykoff, E. S.
    Rozo, E.
    Martini, P.
    Abbott, T. M. C.
    Abdalla, F. B.
    Allam, S.
    Banerji, M.
    Benoit-Lévy, A.
    Bertin, E.
    Brooks, D.
    Carnero Rosell, A.
    Carrasco Kind, M.
    Carretero, J.
    Cunha, C. E.
    da Costa, L. N.
    Desai, S.
    Diehl, H. T.
    Dietrich, J. P.
    Evrard, A. E.
    Fausti Neto, A.
    Flaugher, B.
    Frieman, J.
    Gerdes, D. W.
    Goldstein, D. A. cc
    Gruen, D.
    Gruendl, R. A.
    Gutierrez, G.
    Honscheid, K.
    James, D. J.
    Kuehn, K.
    Kuropatkin, N.
    Lima, M.
    Maia, M. A. G.
    Marshall, J. L.
    Melchior, P.
    Miquel, R.
    Mohr, J. J.
    Ogando, R.
    Plazas, A. A.
    Romer, A. K.
    Rooney, P.
    Sanchez, E.
    Santiago, B.
    Scarpine, V.
    Sevilla-Noarbe, I.
    Smith, R. C.
    Soares-Santos, M. cc
    Sobreira, F.
    Suchyta, E.
    Tarle, G. cc
    Thomas, D.
    Tucker, D. L.
    Walker, A. R.
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    Affiliation
    Univ Arizona, Dept Phys
    Issue Date
    2017-03-01
    Keywords
    galaxies: active
    X-rays: galaxies
    X-rays: galaxies: clusters.
    
    Metadata
    Show full item record
    Publisher
    OXFORD UNIV PRESS
    Citation
    The evolution of active galactic nuclei in clusters of galaxies from the Dark Energy Survey 2017, 465 (3):2531 Monthly Notices of the Royal Astronomical Society
    Journal
    Monthly Notices of the Royal Astronomical Society
    Rights
    © 2016 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    The correlation between active galactic nuclei (AGNs) and environment provides important clues to AGN fuelling and the relationship of black hole growth to galaxy evolution. In this paper, we analyse the fraction of galaxies in clusters hosting AGN as a function of redshift and cluster richness for X-ray-detected AGN associated with clusters of galaxies in Dark Energy Survey (DES) Science Verification data. The present sample includes 33 AGNs with LX > 1043 erg s(-1) in non-central, host galaxies with luminosity greater than 0.5L(*) from a total sample of 432 clusters in the redshift range of 0.1< z <0.95. Analysis of the present sample reveals that the AGN fraction in red-sequence cluster members has a strong positive correlation with redshift such that the AGN fraction increases by a factor of similar to 8 from low to high redshift, and the fraction of cluster galaxies hosting AGN at high redshifts is greater than the low-redshift fraction at 3.6 sigma. In particular, the AGN fraction increases steeply at the highest redshifts in our sample at z > 0.7. This result is in good agreement with previous work and parallels the increase in star formation in cluster galaxies over the same redshift range. However, the AGN fraction in clusters is observed to have no significant correlation with cluster mass. Future analyses with DES Year 1 through Year 3 data will be able to clarify whether AGN activity is correlated to cluster mass and will tightly constrain the relationship between cluster AGN populations and redshift.
    ISSN
    0035-8711
    1365-2966
    DOI
    10.1093/mnras/stw2824
    Version
    Final published version
    Sponsors
    National Science Foundation [AST- 1138766]; MINECO [AYA2012- 39559, ESP201348274, FPA2013- 47986]; Centro de Excelencia Severo Ochoa [SEV- 2012- 0234]; European Research Council under the European Unions Seventh Framework Programme; ERC [240672, 291329, 306478]
    Additional Links
    https://academic.oup.com/mnras/article-lookup/doi/10.1093/mnras/stw2824
    ae974a485f413a2113503eed53cd6c53
    10.1093/mnras/stw2824
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