Complex structure of the magnetic field of the CP star HD32633

Complex structure of the magnetic field of the CP star HD32633
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CP星HD32633磁场的复杂结构

DOI:
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发表时间:
2008
期刊:
影响因子:
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通讯作者:
E. Gerth
E. Gerth
中科院分区:
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文献类型:
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作者:
Y. Glagolevskij;E. Gerth

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用“虚磁荷”方法分析了CP星星HD 32633的磁场结构。其磁场的相位关系与正弦波有很大的不同。星星磁场的结构可以用两个位于星星旋转赤道附近相对区域的偶极子来描述。每一个偶极都产生两对极性相反的磁点,类似于太阳黑子。偶极子位于距中心Δa=0.6 R的位置,其中R是星星的半径。两极的场强分别为±42和±19 kG。
The method of “virtual magnetic charges” is used to analyze the structure of the magnetic field of the CP star HD32633. The phase relation of its magnetic field differs strongly from a sine wave. The structure of the star’s field can be described fairly well by two dipoles located in the opposite regions of the star near its rotation equator. Each of these dipoles produces two pairs of magnetic spots of opposite polarity similar to sunspots. The dipoles are located at a distance of Δa=0.6 R from the center, where R is the radius of the star. The field strength at the poles is equal to ±42 and ±19 kG.