Monte-Carlo radiative transfer simulation of the circumstellar disk of the Herbig Ae star HD 144432
Monte-Carlo radiative transfer simulation of the circumstellar disk of the Herbig Ae star HD 144432
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Herbig Ae 星 HD 144432 星周盘的蒙特卡罗辐射传输模拟
DOI：
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发表时间：
2015
期刊：
影响因子：
--
通讯作者：
P. Stee
中科院分区：
文献类型：
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作者：
L. Chen;A. Kreplin;G. Weigelt;K. Hofmann;D. Schertl;F. Malbet;F. Massi;R. Petrov;P. Stee
过渡前的磁盘的研究，与内部红外线发射区和外部磁盘之间的间隙区域，是重要的，以提高我们的理解磁盘的演变和行星的形成。先前的红外干涉观测已经显示出赫比格Ae星星HD~144432周围原行星盘中存在间隙区域的迹象。我们用二维辐射传输模型研究了这颗星星周围的尘埃分布。我们比较了通过蒙特-卡罗辐射传输程序RADMC-3D获得的模型预测与红外干涉观测和HD~144432的{SED}。我们发现的最佳拟合模型包括一个内部光学薄的组件在0.21enDash0.32 ~Au$和一个光学厚的外部磁盘在1.4enDash10 ~Au$。我们还发现了一种替代模型，其中内部子AU区域由光学薄和光学厚组件组成。我们的模型表明，一个光学薄的组件存在于内部的子AU区域，虽然光学厚的组件可能共存于同一区域。我们的模型还表明，在HD~144432的磁盘间隙样的不连续性。
Studies of pre-transitional disks, with a gap region between the inner infrared-emitting region and the outer disk, are important to improving our understanding of disk evolution and planet formation. Previous infrared interferometric observations have shown hints of a gap region in the protoplanetary disk around the Herbig Ae star HD~144432. We study the dust distribution around this star with two-dimensional radiative transfer modeling. We compare the model predictions obtained via the Monte-Carlo radiative transfer code RADMC-3D with infrared interferometric observations and the {SED} of HD~144432. The best-fit model that we found consists of an inner optically thin component at $0.21enDash0.32~AU$ and an optically thick outer disk at $1.4enDash10~AU$. We also found an alternative model in which the inner sub-AU region consists of an optically thin and an optically thick component. Our modeling suggests an optically thin component exists in the inner sub-AU region, although an optically thick component may coexist in the same region. Our modeling also suggests a gap-like discontinuity in the disk of HD~144432.
DOI：
10.1146/annurev-astro-081811-125523
发表时间：
2012-03
影响因子：
33.3
作者：
W. Kley;R. Nelson
通讯作者：
W. Kley;R. Nelson