Time distance study of isolated sunspots

Time distance study of isolated sunspots
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孤立太阳黑子的时间距离研究

DOI:
10.1002/asna.200610744
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发表时间:
2007
影响因子:
0.9
通讯作者:
M. Thompson
M. Thompson
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
S. Zharkov;Christopher J. Nicholas;M. Thompson

文献摘要

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我们对孤立太阳黑子周围和下方的条件进行了比较地震研究。使用来自 SOHO/MDI 连续谱和磁图数据的欧洲太阳观测网格的太阳黑子特征目录(1996-2005),我们通过检查在卡林顿旋转内附近没有检测到其他黑子来识别一组孤立的太阳黑子。然后,我们使用 SOHO 网站上提供的 2 级跟踪 MDI 多普勒图,利用时间距离日震学来研究此类太阳黑子的波速扰动。 (© 2007 WILEY-VCH Verlag GmbH & Co. KGaA,魏因海姆)
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. (© 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)