Herschel ATLAS: The cosmic star formation history of quasar host galaxies

5 páginas, 2 figuras, 1 tabla.-- Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia with important participation from NASA.-- et al.

Detalles Bibliográficos
Autores: Serjeant, Stephen, Herranz, Diego, López-Caniego, M.
Tipo de recurso: artículo
Fecha de publicación:2010
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/46076
Acceso en línea:http://hdl.handle.net/10261/46076
Access Level:acceso abierto
Palabra clave:Galaxies: active
Infrared: galaxies
Quasars: general
Galaxies: formation
Submillimeter: galaxies
Galaxies: starburst
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spelling Herschel ATLAS: The cosmic star formation history of quasar host galaxiesSerjeant, StephenHerranz, DiegoLópez-Caniego, M.Galaxies: activeInfrared: galaxiesQuasars: generalGalaxies: formationSubmillimeter: galaxiesGalaxies: starburst5 páginas, 2 figuras, 1 tabla.-- Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia with important participation from NASA.-- et al.We present a derivation of the star formation rate per comoving volume of quasar host galaxies, derived from stacking analyses of far-infrared to mm-wave photometry of quasars with redshifts 0 < z < 6 and absolute I-band magnitudes -22 > IAB > -32 We use the science demonstration observations of the first ~16 deg2 from the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS) in which there are 240 quasars from the Sloan Digital Sky Survey (SDSS) and a further 171 from the 2dF-SDSS LRG and QSO (2SLAQ) survey. We supplement this data with a compilation of data from IRAS, ISO, Spitzer, SCUBA and MAMBO. H-ATLAS alone statistically detects the quasars in its survey area at >5σ at 250,350 and 500 μm. From the compilation as a whole we find striking evidence of downsizing in quasar host galaxy formation: low-luminosity quasars with absolute magnitudes in the range -22 > IAB > -24 have a comoving star formation rate (derived from 100 μm rest-frame luminosities) peaking between redshifts of 1 and 2, while high-luminosity quasars with IAB < -26 have a maximum contribution to the star formation density at z ~ 3. The volume-averaged star formation rate of -22 > IAB > -24 quasars evolves as (1 + z)2.3±0.7 at z < 2, but the evolution at higher luminosities is much faster reaching (1 + z)10±1 at -26 > IAB > -28. We tentatively interpret this as a combination of a declining major merger rate with time and gas consumption reducing fuel for both black hole accretion and star formation.This work was funded in part by STFC (grants PP/D002400/1 and ST/G002533/1).Peer reviewedEDP Sciences201220122010info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/46076reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://dx.doi.org/10.1051/0004-6361/201014565info:eu-repo/semantics/openAccessoai:digital.csic.es:10261/460762026-05-22T06:33:51Z
dc.title.none.fl_str_mv Herschel ATLAS: The cosmic star formation history of quasar host galaxies
title Herschel ATLAS: The cosmic star formation history of quasar host galaxies
spellingShingle Herschel ATLAS: The cosmic star formation history of quasar host galaxies
Serjeant, Stephen
Galaxies: active
Infrared: galaxies
Quasars: general
Galaxies: formation
Submillimeter: galaxies
Galaxies: starburst
title_short Herschel ATLAS: The cosmic star formation history of quasar host galaxies
title_full Herschel ATLAS: The cosmic star formation history of quasar host galaxies
title_fullStr Herschel ATLAS: The cosmic star formation history of quasar host galaxies
title_full_unstemmed Herschel ATLAS: The cosmic star formation history of quasar host galaxies
title_sort Herschel ATLAS: The cosmic star formation history of quasar host galaxies
dc.creator.none.fl_str_mv Serjeant, Stephen
Herranz, Diego
López-Caniego, M.
author Serjeant, Stephen
author_facet Serjeant, Stephen
Herranz, Diego
López-Caniego, M.
author_role author
author2 Herranz, Diego
López-Caniego, M.
author2_role author
author
dc.subject.none.fl_str_mv Galaxies: active
Infrared: galaxies
Quasars: general
Galaxies: formation
Submillimeter: galaxies
Galaxies: starburst
topic Galaxies: active
Infrared: galaxies
Quasars: general
Galaxies: formation
Submillimeter: galaxies
Galaxies: starburst
description 5 páginas, 2 figuras, 1 tabla.-- Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia with important participation from NASA.-- et al.
publishDate 2010
dc.date.none.fl_str_mv 2010
2012
2012
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/46076
url http://hdl.handle.net/10261/46076
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://dx.doi.org/10.1051/0004-6361/201014565
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv EDP Sciences
publisher.none.fl_str_mv EDP Sciences
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,81155

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