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Submm-bright QSOs at z~2: signposts of co-evolution at high z

AuthorsCarrera, Francisco J. CSIC ORCID CVN ; Khan-Alí, Anuar; Page, M. J.; Symeonidis, M.; Stevens, J. A.; Cao Orjales, J. M.
Issue Date2012
PublisherSissa Medialab
CitationProceedings of Science 169: 053 (2012)
AbstractWe have assembled a sample of 5 X-ray and submm-luminous z~2 QSOs which are therefore both growing their central black holes through accretion and forming stars copiously at a critical epoch. Hence, they are good laboratories to investigate the co-evolution of star formation and AGN. We have performed a preliminary analysis of the AGN and SF contributions to their UV-to-FIR SEDs, fitting them with simple direct (disk), reprocessed (torus) and star formation components. All three are required by the data and hence we confirm that these objects are undergoing strong star formation in their host galaxies at rates 500-2000 Msun/y. Estimates of their covering factors are between about 30 and 90%. In the future, we will assess the dependence of these results on the particular models used for the components and relate their observed properties to the intrinsice of the central engine and the SF material, as well as their relevance for AGN-galaxy coevolution.
DescriptionTrabajo presentado al Nuclei of Seyfert galaxies and QSOs - Central engine & conditions of star formation (Seyfert 2012) - Session 6 Star formation and accretion at high redshift, celebrado en Bonn (Alemania) del 6 al 8 de noviembre de 2012.
Publisher version (URL)https://doi.org/10.22323/1.169.0053
Identifiersdoi: 10.22323/1.169.0053
e-issn: 1824-8039
Appears in Collections:(IFCA) Artículos
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