Unbiased Fitting of Dust Continuum Observations

Details Unbiased Fitting of Dust Continuum Observations Unbiased Fitting of Dust Continuum Observations

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21543111d&link_type=abstract

American Astronomical Society, AAS Meeting #215, #431.11; Bulletin of the American Astronomical Society, Vol. 42, p.364

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the results of an ubiased, automated approach to fitting infrared observations of interstellar dust clouds for the purposes of constraining their underlying physical properties. The dust radiative transfer is solved self-consistently in spherical geometry, producing simulated observations for comparison with actual observational data. The results are iterated until a best-fit chi-squared is achieved, producing constraints on the model parameters and hence source properties. As a test, we apply the approach to the well-studied source B335. We find that the source properties such as density distribution and grain properties can be reasonably constrained, providing an interesting physical picture of this region.

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