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Three-dimensional Continuum Radiative Transfer Images of a Molecular Cloud Core Evolution

J. Steinacker·B. Lang·A. Burkert·A. Bacmann·Th. Henning
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Abstract

We analyze a three-dimensional smoothed particle hydrodynamics simulation of an evolving and later collapsing pre-stellar core. Using a three-dimensional continuum radiative transfer program, we generate images at 7 micron, 15 micron, 175 micron, and 1.3 mm for different evolutionary times and viewing angles. We discuss the observability of the properties of pre-stellar cores for the different wavelengths. For examples of non-symmetric fragments, it is shown that, misleadingly, the density profiles derived from a one-dimensional analysis of the corresponding images are consistent with one-dimensional core evolution models. We conclude that one-dimensional modeling based on column density interpretation of images does not produce reliable structural information and that multidimensional modeling is required.

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J. Steinacker, B. Lang, A. Burkert, A. Bacmann, Th. Henning. 2004-10-12. Three-dimensional Continuum Radiative Transfer Images of a Molecular Cloud Core Evolution. https://doi.org/10.1086/426053

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