Non-LTE Radiative Transfer in Clumpy Molecular Clouds

Details Non-LTE Radiative Transfer in Clumpy Molecular Clouds Non-LTE Radiative Transfer in Clumpy Molecular Clouds

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997cokon.100..253j&link_type=abstract

Communications of the Konkoly Observatory, No. 100 (Vol. XII, 2), p. 253-258 (1997)

Computer Science

Scientific paper

We have developed a program that can be used to solve the radiative transfer problem in one-, two- and three-dimensional model clouds with Monte Carlo simulation. The program includes some minor modifications to the traditional Monte Carlo scheme. These changes can, in some cases, significantly speed up the simulation and enable efficient calculations of clouds with high optical depths. The three-dimensional model clouds consist of cubic cells. Since the velocity, temperature and density can be independently specified for each cell, this also enables the study of clouds with clumpy density structure. We describe the principles of the simulation program and present some preliminary results from our studies where the CS and C^34S spectra observed in southern massive star-forming regions are compared with the model calculations.

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