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MODELING DUST EMISSION OF HL TAU DISK BASED ON PLANET–DISK INTERACTIONS

机译:基于盘-盘相互作用的HL T头盘粉尘排放模型

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We use extensive global two-dimensional hydrodynamic disk gas+dust simulations with embedded planets, coupled with three-dimensional radiative transfer calculations, to model the dust ring and gap structures in the HL Tau protoplanetary disk observed with the Atacama Large Millimeter/Submillimeter Array (ALMA). We include the self-gravity of disk gas and dust components and make reasonable choices of disk parameters, assuming an already settled dust distribution and no planet migration. We can obtain quite adequate fits to the observed dust emission using three planets with masses of 0.35, 0.17, and 0.26 MJup at 13.1, 33.0, and 68.6 AU, respectively. Implications for the planet formation as well as the limitations of this scenario are discussed.
机译:我们使用带有嵌入式行星的广泛的全球二维流体动力磁盘气体+尘埃模拟,再结合三维辐射转移计算,来模拟在Atacama大毫米/亚毫米阵列()中观测到的HL Tau原行星盘中的尘埃环和间隙结构ALMA)。我们假设磁盘气体和粉尘成分的自重,并假设已经确定了粉尘分布并且没有行星迁移,对磁盘参数进行合理选择。我们可以使用质量分别为13.1、33.0和68.6 AU的三个质量分别为0.35、0.17和0.26 MJup的行星,获得与观测到的粉尘排放相当合适的拟合。讨论了对行星形成的影响以及这种情况的局限性。

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