Monte-Carlo simulations of linear polarization in clumpy OB-star winds

Details Monte-Carlo simulations of linear polarization in clumpy OB-star winds Monte-Carlo simulations of linear polarization in clumpy OB-star winds

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..272..216t&link_type=abstract

Active OB stars: structure, evolution, mass loss, and critical limits, Proceedings of the International Astronomical Union, IAU

Astronomy and Astrophysics

Astronomy

Polarization, Radiative Transfer, Scattering, Methods: Numerical, Techniques: Polarimetric, Stars: Mass Loss, Stars: Early-Type, Stars: Winds, Outflows, Stars: Individual (P Cygni)

Scientific paper

We present results from Monte-Carlo simulations of linear polarization in clumped OB-star winds. We find that previous single-scattering models of clumped winds have overestimated the degree of polarization, even in cases where individual clumps are optically thin. An application to P Cygni suggests the star's wind is more fragmented than previously thought.

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