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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Tracing the cosmic growth of supermassive black holes to z ~3 with Herschel
Monthly Notices of the Royal Astronomical Society, Volume 439, No. 3, Year 2014
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Description
We study a sample of Herschel selected galaxies within the Great Observatories Origins Deep Survey-South and the Cosmic Evolution Survey fields in the framework of the Photodetector Array Camera and Spectrometer (PACS) Evolutionary Probe project. Starting from the rich multiwavelength photometric data sets available in both fields, we perform a broad-band spectral energy distribution decomposition to disentangle the possible active galactic nucleus (AGN) contribution from that related to the host galaxy. We find that 37 per cent of the Herschel-selected sample shows signatures of nuclear activity at the 99 per cent confidence level. The probability of revealing AGN activity increases for bright (L1-1000 > 1011 L Ȯ) starforming galaxies atz >0.3, becoming about 80 per cent for the brightest (L1-1000 > 1012 L Ȯ) infrared (IR) galaxies at z ≥ 1. Finally, we reconstruct theAGNbolometric luminosity function and the supermassive black hole growth rate across cosmic time up to z ~ 3 from a far-IR perspective. Thiswork shows general agreement with most of the panchromatic estimates from the literature, with the global black hole growth peaking at z ~ 2 and reproducing the observed local black hole mass density with consistent values of the radiative efficiency ε rad (~0.07). © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society.
Authors & Co-Authors
Delvecchio, Ivan
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
Gruppioni, Carlotta
Italy, Bologna
Osservatorio Astronomico Di Bologna
Pozzi, Francesca
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
Berta, Stefano
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Zamorani, Giovanni
Italy, Bologna
Osservatorio Astronomico Di Bologna
Cimatti, Andrea
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
Lutz, Dieter
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Scott, Douglas J.
Canada, Vancouver
The University of British Columbia
Vignali, Cristian
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
Cresci, Giovanni
Italy, Florence
Osservatorio Astrofisico Di Arcetri
Feltre, Anna
Italy, Padua
Università Degli Studi Di Padova
Germany, Garching Bei Munchen
European Southern Observatory
Cooray, Asantha Roshan
United States, Irvine
University of California, Irvine
United States, Pasadena
Jet Propulsion Laboratory
Vaccari, Mattia
South Africa, Bellville
University of the Western Cape
Fritz, Jacopo
Belgium, Gent, Krijgslaan
Vakgroep Fysica en Sterrenkunde Universeit
Le Floc'H, Émeric
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Magnelli, Benjamin
Germany, Bonn
Universität Bonn
Popesso, Paola
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Oliver, Seb J.
United Kingdom, Brighton
University of Sussex
Bock, James J.
United States, Pasadena
Jet Propulsion Laboratory
United States, Pasadena
California Institute of Technology
Carollo, Marcella C.
Switzerland, Zurich
Eth Zürich
Contini, T.
France, Toulouse
Université Fédérale Toulouse Midi-pyrénées
Le Fèvre, Olivier
France, Marseille
Laboratoire D'astrophysique de Marseille
Lilly, Simon J.
Switzerland, Zurich
Eth Zürich
Mainieri, V.
Germany, Garching Bei Munchen
European Southern Observatory
Renzini, Alvio
Italy, Padua
Osservatorio Astronomico Di Padova
Scodeggio, Marco
Italy, Milan
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Milan
Statistics
Citations: 132
Authors: 26
Affiliations: 20
Identifiers
Doi:
10.1093/mnras/stu130
ISSN:
00358711
e-ISSN:
13652966
Research Areas
Cancer
Study Design
Cross Sectional Study
Study Approach
Quantitative