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dc.contributor.authorKulkarni, G
dc.contributor.authorChoudhury, TR
dc.contributor.authorPuchwein, E
dc.contributor.authorHaehnelt, MG
dc.date.accessioned2018-10-10T05:15:47Z
dc.date.available2018-10-10T05:15:47Z
dc.date.issued2018
dc.identifier.issn1743-9213
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/283316
dc.description.abstract<jats:title>Abstract</jats:title><jats:p>We present predictions for the spatial distribution of 21 cm brightness temperature fluctuations from high-dynamic-range simulations for AGN-dominated reionization histories that have been tested against available <jats:italic>Lyα</jats:italic> and CMB data. We model AGN by extrapolating the observed M<jats:sub>bh</jats:sub>–σ relation to high redshifts and assign them ionizing emissivities consistent with recent UV luminosity function measurements. AGN-dominated reionization histories increase the variance of the 21 cm emission by a factor of up to ten compared to similar reionization histories dominated by faint galaxies, to values close to 100 mK<jats:sup>2</jats:sup> at scales accessible to experiments (<jats:italic>k</jats:italic> ≲ 1 cMpc<jats:sup>−1</jats:sup><jats:italic>h</jats:italic>). This is lower than the sensitivity reached by ongoing experiments by only a factor of about two or less. AGN dominated reionization should be easily detectable by LOFAR (and later HERA and SKA1) at their design sensitivity.</jats:p>
dc.publisherCambridge University Press (CUP)
dc.titleEvolution of the Quasar Luminosity Function: Implications for EoR-21cm
dc.typeArticle
prism.endingPage249
prism.issueIdentifierS333
prism.publicationDate2017
prism.publicationNameProceedings of the International Astronomical Union
prism.startingPage246
prism.volume12
dc.identifier.doi10.17863/CAM.30684
dcterms.dateAccepted2017-12-10
rioxxterms.versionofrecord10.1017/S1743921317011140
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.licenseref.startdate2017-01-01
dc.contributor.orcidHaehnelt, Martin [0000-0001-8443-2393]
dc.identifier.eissn1743-9221
rioxxterms.typeJournal Article/Review
pubs.funder-project-idScience and Technology Facilities Council (ST/M007065/1)
cam.issuedOnline2018-05-08
rioxxterms.freetoread.startdate2018-01-01


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