Air Outflows and Polarization in Non-Blazar AGN

Details Air Outflows and Polarization in Non-Blazar AGN Air Outflows and Polarization in Non-Blazar AGN

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.387b&link_type=abstract

Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:

Astronomy and Astrophysics

Astrophysics

Scientific paper

MeV photons emitted by an accretion disk may convert into e^ +- pairs due to gamma-gamma reaction. The pair plasma created above the disk is blown away by the pressure of soft radiation. We discuss how the pair outflows will manifest itself in the observations of AGNs. In particular, we find that an outflow of a modest Thomson optical depth, ~0.1, may affect the observed optical polarization: the polarization vector becomes parallel to the disk axis, in agreement with observations of non-blazar AGNs. In the brightest objects, the outflow is expected to become optically thick to Thomson scattering. The scattering then collimates the bolometric luminosity along the disk axis.

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