Solar Variability: Modeling and Helioseismic Studies

太阳变率：建模和日震研究

• 批准号: 0206130
• 负责人: Sarbani Basu
• 金额: $ 34.73万
• 依托单位: Yale University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-08-15 至 2006-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0206130&HistoricalAwards=false
• 关键词: Solar; Variability; Modeling; Helioseismic; Studies

This effort focuses on the underlying physical causes of the Sun's radiative variability using helioseismic information as input to the equations of stellar structure. The tasks include, (1) the construction of solar models with differing magnetic field configurations, (2) the analysis of Global Oscillation Network Group (GONG) and Michelson Doppler Imager (MDI) data to monitor helioseismic signatures of solar variability, (3) checking whether the models constructed under the first task satisfy these helioseismic constraints, (4) determining additional inputs necessary to improve the models which fare poorly in this comparison, and (5) developing two-dimensional stellar structure models capable of incorporating magnetic fields in a consistent, and non-perturbative fashion.

这项工作的重点是利用日震信息作为恒星结构方程的输入，研究太阳辐射变化的基本物理原因。 这些任务包括：（1）建立具有不同磁场配置的太阳模型，（2）分析全球振荡网络组（GONG）和迈克尔逊多普勒成像仪（MDI）数据，以监测太阳变化的日震特征，（3）检查在第一项任务下建立的模型是否满足这些日震约束，（4）确定必要的额外输入，以改进在这种比较中表现不佳的模型，（5）开发能够以一致和非微扰的方式纳入磁场的二维恒星结构模型。