孤立太阳黑子的时间距离研究
Time Distance Study of Isolated Sunspots
摘要:
我们提出了一个孤立的太阳黑子周围和下面的条件比较地震研究。使用欧洲太阳观测网格的太阳黑子特征目录,来自SOHO/MDI连续体和磁图数据,1996-2005年,我们确定了一组孤立的太阳黑子,通过检查,在卡林顿旋转有没有在附近检测到其他斑点。然后,我们使用水平2跟踪MDI多普勒可从SOHO网站调查波速度扰动的太阳黑子使用时间距离日震学。
英文摘要:
We present a comparative seismic study of conditions around and beneath isolated sunspots. Using the European Grid of Solar Observations' Solar Feature Catalogue of sunspots derived from SOHO/MDI continuum and magnetogram data, 1996-2005, we identify a set of isolated sunspots by checking that within a Carrington Rotation there were no other spots detected in the vicinity. We then use level-2 tracked MDI Dopplergrams available from SOHO website to investigate wave-speed perturbations of such sunspots using time-distance helioseismology.
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