Volume 379, Number 2, November IV 2001
|Page(s)||690 - 696|
|Published online||15 November 2001|
Inverse raytracing based on Monte-Carlo radiative transfer simulations
Thüringer Landessternwarte Tautenburg, Sternwarte 5, 07778 Tautenburg, Germany
Accepted: 6 September 2001
A method for the detailed investigation of polarization maps and images obtained from high-resolution observations is described in this paper. It has been developed for the analysis of the environment of young stellar objects (YSO), ultra-compact HII regions (UCHII), and the optically thin light scattering region of active galactic nuclei (AGN). The method is based on a 3D Monte-Carlo radiative transfer (RT) code. The main principle of this method lies in the detailed investigation of the paths of test-photons in the considered medium. To demonstrate the efficiency and limit of this method, it is applied to a simple YSO configuration consisting of the central star, an optically thick disk, and an optically thin envelope.
Key words: radiative transfer / scattering / polarization / circumstellar matter / methods: data analysis / methods: numerical
© ESO, 2001
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