Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...282...29s&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 282, July 1, 1984, p. 29-32.
Astronomy and Astrophysics
Astrophysics
15
Bl Lacertae Objects, Faraday Effect, Polarization Characteristics, Relativistic Electron Beams, Compton Effect, Least Squares Method, Wavelengths
Scientific paper
Data are presented that demonstrate the persistence of strong wavelength-dependent polarization in the BL Lacertae object B2 1308 + 326 during its 1983 outburst. The magnitude of the rotation of the plane of polarization was nearly the same on all three nights during which data were obtained, but on one of those nights (almost three months after the first two) the sign of the wavelenth dependence was reversed. Strong wavelength dependence of the percentage polarization is also found. These results may be explained through models involving the changing orientation of a relativistic electron beam with respect to the line of sight. Models that include only the effects of Faraday rotation, magnetic field curvature, or multiple emission components are inadequate.
Schmidt Gary D.
Sitko Michael L.
Stein Wayne A.
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