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dc.contributor.authorGonzález-Nuevo, J.-
dc.contributor.authorHerranz, D.-
dc.contributor.authorLópez-Caniego, M.-
dc.date.accessioned2012-02-22T12:44:05Z-
dc.date.available2012-02-22T12:44:05Z-
dc.date.issued2010-
dc.identifier.citationAstronomy and Astrophysics 518: L38 (2010)es_ES
dc.identifier.issn0004-6361-
dc.identifier.urihttp://hdl.handle.net/10261/46067-
dc.description4 páginas, 2 figuras, 3 tablas.-- Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA.-- et al.es_ES
dc.description.abstractTo investigate the poorly constrained sub-mm counts and spectral properties of blazars we searched for these in the Herschel-ATLAS (H-ATLAS) science demonstration phase (SDP) survey catalog.

We cross-matched 500 μm sources brighter than 50 mJy with the FIRST radio catalogue. We found two blazars, both previously known. Our study is among the first blind blazar searches at sub-mm wavelengths, i.e., in the spectral regime where little is still known about the blazar SEDs, but where the synchrotron peak of the most luminous blazars is expected to occur. Our early results are consistent with educated extrapolations of lower frequency counts and question indications of substantial spectral curvature downwards and of spectral upturns at mm wavelengths. One of the two blazars is identified with a Fermi/LAT γ-ray source and a WMAP source. The physical parameters of the two blazars are briefly discussed. These observations demonstrate that the H-ATLAS survey will provide key information about the physics of blazars and their contribution to sub-mm counts.es_ES
dc.description.sponsorshipWork partially supported by the Italian Space Agency (contract I/016/07/0 “COFIS” and ASI/INAF Agreement I/072/09/0 for the Planck LFI Activity of Phase E2).es_ES
dc.language.isoenges_ES
dc.publisherEDP Scienceses_ES
dc.rightsopenAccesses_ES
dc.subjectBL Lacertae objects: generales_ES
dc.subjectQuasars: generales_ES
dc.subjectSubmillimeter: generales_ES
dc.titleHerschel-ATLAS: Blazars in the science demonstration phase fieldes_ES
dc.typeArtículoes_ES
dc.identifier.doi10.1051/0004-6361/201014637-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1051/0004-6361/201014637es_ES
dc.identifier.e-issn1432-0746-
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