Polarization and Variations of BL Lacertae Objects

Details Polarization and Variations of BL Lacertae Objects Polarization and Variations of BL Lacertae Objects

Apr 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001pasj...53..201f&link_type=abstract

Publications of the Astronomical Society of Japan, vol.53, no. 2, p. 201-205.

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Scientific paper

BL Lacertae objects are an extreme subclass of AGNs showing rapid and large-amplitude variability, high and variable polarization, and core-dominated radio emissions. If a strong beaming effect is the cause of the extreme observation properties, one would expect that these properties would be correlated with each other. Based on the relativistic beaming model, relationships between the polarization and the magnitude variation in brightness, as well as the core-dominance parameter are derived and used statistically to compare with the observational data of a BL Lacertae object sample. The statistical results are consistent with these correlations, which suggests that the polarization, the variation, and the core-dominance parameter are possible indications of the beaming effect.

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