Optical circular polarization of blazar S4 0954+65 during high linear polarized states
I. Liodakis,
E. Shablovinskaya,
D. Blinov
et al.
Abstract:Optical circular polarization observations can directly test the particle composition in black hole jets. We report the first observations of the BL Lac-type object S4 0954+65 in high linear polarized states. While no circular polarization was detected, we were able to place upper limits of $<0.5<!PCT!>$ at 99.7<!PCT!> confidence. Using a simple model and our novel optical circular polarization observations, we can constrain the allowed parameter space for the magnetic field strength and composi… Show more
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