The rest-frame UV luminosity function at z 4: A significant contribution of AGNs to the bright end of the galaxy population

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dc.contributor.authorJarvis, M. J.
dc.contributor.authorAdams, N. J.
dc.contributor.authorBowler, R. A. A.
dc.date.accessioned2021-02-11T07:24:58Z
dc.date.available2021-02-11T07:24:58Z
dc.date.issued2020
dc.description.abstractWe measure the rest-frame ultraviolet (UV) luminosity function (LF) at z ∼ 4 self-consistently over a wide range in absolute magnitude (−27 ≲ MUV ≲ −20). The LF is measured with 46 904 sources selected using a photometric redshift approach over ∼6 deg2 of the combined Cosmological Evolution Survey and XMM–Newton Large-Scale Structure fields. We simultaneously fit for both active galactic nuclei (AGNs) and galaxy LFs using a combination of Schechter or double power law (DPL) functions alongside a single power law for the faint-end slope of the AGN LF. We find a lack of evolution in the shape of the bright end of the Lyman-break galaxy (LBG) component when compared to other studies at z ≃ 5 and evolutionary recipes for the UV LF.en_US
dc.identifier.citationJarvis, M. J. et al. (2020). The rest-frame UV luminosity function at z 4: A significant contribution of AGNs to the bright end of the galaxy population. Monthly Notices of the Royal Astronomical Society, 4949(2), 1771–1783en_US
dc.identifier.issn1365-2966
dc.identifier.urihttps://doi.org/10.1093/mnras/staa687
dc.identifier.urihttp://hdl.handle.net/10566/5901
dc.language.isoenen_US
dc.publisherOxford University Pressen_US
dc.subjectGalaxies: evolutionen_US
dc.subjectGalaxies: formationen_US
dc.subjectGalaxies: high-redshiften_US
dc.subjectRest-frame UV luminosityen_US
dc.subjectAGNen_US
dc.titleThe rest-frame UV luminosity function at z 4: A significant contribution of AGNs to the bright end of the galaxy populationen_US
dc.typeArticleen_US

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