低频p模对太阳内部自转反演的影响
Impact of low-frequency p modes on the inversions of the internal rotation of the Sun
摘要：
我们使用m-平均光谱技术（“光谱图”），以提取低频太阳p-模式参数的低和中间的角度（1 \leq 35）在长时间序列的GONG和MDI观测。旋转分裂和中心频率已被测量到约850 \muHz，包括预测的模式，以前没有被测量。对GONG和MDI两个频率分裂数据集进行数值反演，提取太阳内部自转速率。分析了极低频观测量以及GONG和MDI数据集的差异对反演结果的影响。
英文摘要：
We used the m-averaged spectrum technique ("collapsogram") to extract the low-frequency solar p-mode parameters of low- and intermediate-angular degrees (l \leq 35) in long time series of GONG and MDI observations. Rotational splittings and central frequencies have been measured down to ~850\muHz, including predicted modes which have not been measured previously. Both GONG and MDI frequency splitting data sets were numerically inverted to extract the internal solar rotation rate. The impact of the very low-frequency observables and the differences between GONG and MDI data sets on the inversion results are also analyzed.
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