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Chromospheric diagnosis with forward scattering polarization

Published online by Cambridge University Press:  24 July 2015

E. S. Carlin
E. S. Carlin*
Affiliation:
Istituto Ricerche Solari Locarno, Monti Locarno 6600, Switzerland email: [email protected]
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Abstract

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Is it physically feasible to perform the chromospheric diagnosis using spatial maps of scattering polarization at the solar disk center? To investigate it we synthesized polarization maps (in 8542 Å) resulting from MHD solar models and NLTE radiative transfer calculations that consider Hanle effect and vertical macroscopic motions. After explaining the physical context of forward scattering and presenting our results, we arrive at the definition of Hanle polarity inversion lines. We show how such features can give support for a clearer chromospheric diagnosis in which the magnetic and dynamic effects in the scattering polarization could be disentangled.

Keywords

Polarizationradiative transferscatteringstars: atmospheresstars: kinematicsSun: chromospheremagnetic fieldsSun: atmospheric motions
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Symposium S305: Polarimetry: From the Sun to Stars and Stellar Environments , December 2014 , pp. 146 - 153
Copyright
Copyright © International Astronomical Union 2015 

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