Other
Scientific paper
Jul 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..272..382b&link_type=abstract
Active OB stars: structure, evolution, mass loss, and critical limits, Proceedings of the International Astronomical Union, IAU
Other
Circumstellar Matter, Stars: Emission-Line, Be, Techniques: Interferometric
Scientific paper
The physical interpretation of spectro-interferometric data is strongly model dependent. On one hand, models involving elaborate radiative transfer solvers are in general too time consuming to perform an automatic fitting procedure and derive astrophysical quantities and their related errors. On the other hand, using simple geometrical models does not give sufficient insights into the physics of the object. We developed a numerical tool optimised for mid-infrared (mid-IR) interferometry, the Fast Ray-tracing Algorithm for Circumstellar Structures (FRACS). Thanks to the short computing time required by FRACS, best-fit parameters and uncertainties for several physical quantities were obtained, such as inner dust radius, relative flux contribution of the central source and of the dusty CSE, dust temperature profile, disc inclination.
Bendjoya Philippe
Domiciano de Souza Armando
Niccolini Gilles
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