Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996mnras.282..788b&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 282, Issue 3, pp. 788-796.
Astronomy and Astrophysics
Astronomy
5
Polarization Galaxies: Active, Bl Lacertae Objects: General, Galaxies: Photometry, Quasars: General, Infrared: Galaxies
Scientific paper
We show that the internight variability of flux density and polarization at optical and near-infrared wavelengths (0.36-2.2 μm) of the blazars 0215+015 and 0851+202 (also known as OJ287) during two outbursts can be accounted for by the superposition of a variable polarized component and a constant polarized one. For 0215+015 the constant component is the most highly polarized, whereas for OJ287 the reverse is found. Only relatively small changes in the flux of the variable component, together with changes in its degree and position angle of polarization, are needed to account for the variability. We discuss the possible physical identities of the components.
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