| Issue |
EAS Publications Series
Volume 55, 2012
4th French-Chinese Meeting on Solar Physics - Understanding Solar Activity: Advances and Challenges
|
|
|---|---|---|
| Page(s) | 65 - 69 | |
| Section | Magnetic Field and Polarization Measurements and Theory | |
| DOI | https://doi.org/10.1051/eas/1255008 | |
| Published online | 27 June 2012 | |
M. Faurobert, C. Fang and T. Corbard (eds)
EAS Publications Series, 55 (2012) 65-69
Numerical modeling of the linear polarization in molecular lines of the solar flash spectrum
1
Astronomical Observatory Belgrade, Volgina 7, 11060
Belgrade,
Serbia
2
Laboratoire Lagrange, UMR 7293, Université de Nice Sophia
Antipolis, CNRS, Observatoire de la Côte d’Azur, Campus Valrose, 06108
Nice,
France
Molecular lines formed in the upper photosphere of the Sun show significant degree of linear scattering polarization, when one observes close to the solar limb. Those lines prove to be important tools for turbulent magnetic field diagnostic via the Hanle effect. In order to correctly model the line formation in regions close to the Solar limb, one has to take into account the sphericity of the atmosphere and to model depolarizing collisions and NLTE line formation in details. We present computations of scattering polarization in C2 lines in a 1D spherically symmetric medium described by FALC and FALX models, and compare those computations to observations of the Solar flash spectrum.
© EAS, EDP Sciences 2012