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    SALT spectropolarimetry and self-consistent SED and polarization modeling of blazars

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    SALT_spectropolarimetry.pdf (506.9Kb)
    Date
    2017
    Author
    Böttcher, Markus
    Schutte, Hester
    Van Soelen, Brian
    Britto, Richard J.
    Buckley, David A.H.
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    Abstract
    We report on recent results froma target-of-opportunity program to obtain spectropolarimetry observations with the Southern African Large Telescope (SALT) on flaring gamma-ray blazars. SALT spectropolarimetry and contemporaneous multi-wavelength spectral energy distribution (SED) data are being modelled self-consistently with a leptonic single-zone model. Such modeling provides an accurate estimate of the degree of order of the magnetic field in the emission region and the thermal contributions (from the host galaxy and the accretion disk) to the SED, thus putting strong constraints on the physical parameters of the gamma-ray emitting region. For the specific case of the γ -ray blazar 4C+01.02, we demonstrate that the combined SED and spectropolarimetry modeling constrains the mass of the central black hole in this blazar to MBH∼109M⊙
    URI
    http://hdl.handle.net/10394/25987
    http://dx.doi.org/10.3390/galaxies5030052
    http://www.mdpi.com/2075-4434/5/3/52/pdf
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