期刊
ASTROPHYSICAL JOURNAL
卷 687, 期 1, 页码 598-607出版社
UNIV CHICAGO PRESS
DOI: 10.1086/591726
关键词
circumstellar matter; stars: emission-line, Be; stars: individual (kappa Dra, beta Psc, upsilon Cyg); techniques: interferometric
We have computed theoretical models of circumstellar disks for the classical Be stars kappa Dra, beta Psc, and upsilon Cyg. Models were constructed using a non-LTE radiative transfer code developed by Sigut & Jones (2007), which incorporates a number of improvements over previous treatments of the disk thermal structure, including a realistic chemical composition. Our models are constrained by direct comparison with long-baseline optical interferometric observations of the H alpha-emitting regions and by contemporaneous H alpha line profiles. Detailed comparisons of our predictions with H alpha interferometry and spectroscopy place very tight constraints on the density distributions for these circumstellar disks.
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