热木星热相位曲线中大气特征的特征
On Signatures of Atmospheric Features in Thermal Phase Curves of Hot Jupiters
摘要：
湍流在太阳系行星大气中无处不在。在炽热的木星大气中，适度缓慢的自转和厚厚的气压高度可能会导致异常大的行星尺度的动态天气结构。使用等效正压，湍流环流模型，我们说明了这种结构可以产生各种功能的热相变曲线的热相变，包括相移和偏离周期。这些特征可能已经在HD 189733 b最近的红外相位曲线中发现。尽管盘集成量的解释固有的困难，相位曲线承诺提供独特的约束的性质上的循环制度，目前对热蒸发器。
英文摘要：
Turbulence is ubiquitous in Solar System planetary atmospheres. In hot Jupiter atmospheres, the combination of moderately slow rotation and thick pressure scale height may result in dynamical weather structures with unusually large, planetary-size scales. Using equivalent-barotropic, turbulent circulation models, we illustrate how such structures can generate a variety of features in the thermal phase curves of hot Jupiters, including phase shifts and deviations from periodicity. Such features may have been spotted in the recent infrared phase curve of HD 189733b. Despite inherent difficulties with the interpretation of disk-integrated quantities, phase curves promise to offer unique constraints on the nature of the circulation regime present on hot Jupiters.
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