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On the significance of polarization of continuous spectrum in modelling of circumstellar dust shells

Published online by Cambridge University Press:  06 October 2025

Juris Freimanis Open the ORCID record for Juris Freimanis [Opens in a new window]
Juris Freimanis*
Affiliation:
Engineering Research Institute “Ventspils International Radio Astronomy Centre” of Ventspils University of Applied Sciences, Ventspils, Latvia
*
email: jurisf@venta.lv
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Abstract

Radiative transfer in spherical circumstellar silicate dust envelope was modelled with and without accounting for polarization, using the code RADMC-3D. It was found that the influence of polarization on dust temperature and the mean intensity of shortwave radiation in spherically symmetric case is negligible, but neglecting for polarization does not give sensible economy of the computing time for the given signal to noise ratio. Construction of good virtual polarization images of the object can require much more computing time than good intensity images.

Keywords

radiative transferpolarizationcircumstellar matter

Information

Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 19 , Symposium S384: Planetary Nebulae: A Universal Toolbox in the Era of Precision Astrophysics , December 2023 , pp. 411 - 413
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Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of International Astronomical Union

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References

Mishchenko, M. I., Travis, L. D., Lacis, A. A., 2006, Multiple Scattering of Light by Particles, Cambridge University Press Google Scholar
Dullemond, C., 2020, RADMC-3D Version 2.0, https://www.ita.uni-heidelberg.de/dullemond/software/radmc-3d/ Google Scholar
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