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dc.contributor.authorBrindle, C.
dc.contributor.authorHough, J.
dc.contributor.authorBailey, J.
dc.contributor.authorAxon, D.J.
dc.contributor.authorHyland, A.R.
dc.date.accessioned2009-04-20T10:31:54Z
dc.date.available2009-04-20T10:31:54Z
dc.date.issued1986
dc.identifier.citationBrindle , C , Hough , J , Bailey , J , Axon , D J & Hyland , A R 1986 , ' Simultaneous optical and infrared polarization measurements of blazars ' , Monthly Notices of the Royal Astronomical Society , vol. 221 , no. 3 , pp. 739-768 .
dc.identifier.issn0035-8711
dc.identifier.otherPURE: 152661
dc.identifier.otherPURE UUID: acedde4d-e54f-47d5-82e1-b23d6aa092fe
dc.identifier.otherdspace: 2299/3213
dc.identifier.urihttp://hdl.handle.net/2299/3213
dc.descriptionOriginal article can be found via: http://cdsads.u-strasbg.fr/ Copyright Royal Astronomical Society [Full text of this article is not available in the UHRA]
dc.description.abstractThe authors present measurements of the polarization and flux of a sample of 28 blazars (21 BL Lacs and 7 OVV quasars) at optical and near-infrared wavelengths, with repeated observations for some objects. As in earlier work, the authors find that the level of polarization in the infrared are generally equal to, or lower than, those in the optical, although for some objects with low levels of polarization (P < 10 per cent), the polarization in the infrared can exceed that in the optical. Large wavelength dependences of polarization, in which the polarization increases with decreasing wavelength, were observed for both high and modest (P ≡ 10 per cent) values of the optical polarization of an object. Marked variations in the wavelength dependence of polarization were observed on consecutive nights for some of the objects. Models consisting of two synchrotron sources, with different spectral indices, can satisfactorily account for the wavelength dependence of both the polarization and flux.en
dc.language.isoeng
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society
dc.titleSimultaneous optical and infrared polarization measurements of blazarsen
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.description.statusPeer reviewed
dc.relation.schoolSchool of Physics, Astronomy and Mathematics
dcterms.dateAccepted1986
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue


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