Herschel-ATLAS: Far-infrared properties of radio-selected galaxies

dc.contributor.authorHardcastle, M
dc.contributor.authorVirdee, J S
dc.contributor.authorJarvis, M
dc.contributor.authorBonfield, D G
dc.contributor.authorDunne, L
dc.contributor.authorRawlings, Steve
dc.contributor.authorStevens, J A
dc.contributor.authorChristopher, N. M.
dc.contributor.authorHeywood, I
dc.contributor.authorMauch, Thomas
dc.contributor.authorSharp, Robert
dc.date.accessioned2015-12-13T22:45:00Z
dc.date.issued2010
dc.date.updated2016-02-24T09:38:38Z
dc.description.abstractWe use the Herschel-Astrophysical Terahertz Large Area Survey (ATLAS) science demonstration data to investigate the star formation properties of radio-selected galaxies in the GAMA-9h field as a function of radio luminosity and redshift. Radio selection at the lowest radio luminosities, as expected, selects mostly starburst galaxies. At higher radio luminosities, where the population is dominated by active galactic nuclei (AGN), we find that some individual objects are associated with high far-infrared luminosities. However, the far-infrared properties of the radio-loud population are statistically indistinguishable from those of a comparison population of radio-quiet galaxies matched in redshift and K-band absolute magnitude. There is thus no evidence that the host galaxies of these largely low-luminosity (Fanaroff-Riley class I), and presumably low-excitation, AGN, as a population, have particularly unusual star formation histories. Models in which the AGN activity in higher luminosity, high-excitation radio galaxies is triggered by major mergers would predict a luminosity-dependent effect that is not seen in our data (which only span a limited range in radio luminosity) but which may well be detectable with the full Herschel-ATLAS data set.
dc.identifier.issn0035-8711
dc.identifier.urihttp://hdl.handle.net/1885/79563
dc.publisherBlackwell Publishing Ltd
dc.sourceMonthly Notices of the Royal Astronomical Society
dc.subjectKeywords: Galaxies: active; Infrared: galaxies; Radio continuum: galaxies
dc.titleHerschel-ATLAS: Far-infrared properties of radio-selected galaxies
dc.typeJournal article
local.bibliographicCitation.issue1
local.bibliographicCitation.lastpage131
local.bibliographicCitation.startpage122
local.contributor.affiliationHardcastle, M , University of Hertfordshire
local.contributor.affiliationVirdee, J S, University of Oxford
local.contributor.affiliationJarvis, M, University of Hertfordshire
local.contributor.affiliationBonfield, D G, University of Hertfordshire
local.contributor.affiliationDunne, L, University of Nottingham
local.contributor.affiliationRawlings, Steve, University of Oxford
local.contributor.affiliationStevens, J A, University of Hertfordshire
local.contributor.affiliationChristopher, N. M., University of Oxford
local.contributor.affiliationHeywood, I, University of Oxford
local.contributor.affiliationMauch, Thomas, University of Oxford
local.contributor.affiliationSharp, Robert, College of Physical and Mathematical Sciences, ANU
local.contributor.authoremailu4954956@anu.edu.au
local.contributor.authoruidSharp, Robert, u4954956
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.identifier.absfor020103 - Cosmology and Extragalactic Astronomy
local.identifier.ariespublicationf5625xPUB7977
local.identifier.citationvolume409
local.identifier.doi10.1111/j.1365-2966.2010.17791.x
local.identifier.scopusID2-s2.0-78149372887
local.identifier.uidSubmittedByf5625
local.type.statusPublished Version

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