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Dependence of Supergranular Length-Scales on Network Magnetic Fields

机译:超粒度长度尺度对网络磁场的依赖性

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摘要

In an earlier paper by Raju, Srikanth, and Singh (1998), the average size of chromospheric network cells has been shown to have a dependence on the solar latitude. This was presumed to be due to the reduction of supergranular length-scales by network magnetic field enhancements. It has been found that the network brightness enhancements over solar latitude support this finding. Significant negative correlations have been found between the average cell size and the network brightness enhancements. Since the brightness enhancements are essentially due to the magnetic field concentrations, it is suggested that the network magnetic fields reduce the network cell sizes. We have also obtained the variations of skewness of network brightness distributions over solar latitude, which follow the network field variations. This complements the findings of Caccin et al. (1998) that skewness of brightness distribution follows the solar cycle. The findings suggest that the dependence of supergranular sizes, network brightness, and skewness of network brightness distribution on solar latitude or on the phase of the solar cycle is due to the associated variation of network magnetic fields.
机译:在Raju,Srikanth和Singh(1998)的较早论文中,色球层网络单元的平均大小已显示出与太阳纬度有关。据推测这是由于网络磁场增强导致超颗粒长度尺度的减小。已经发现,相对于太阳纬度的网络亮度增强支持了这一发现。已发现平均像元大小与网络亮度增强之间存在显着的负相关性。由于亮度的提高主要归因于磁场集中,因此建议网络磁场减小网络单元的大小。我们还获得了随太阳场纬度变化的网络亮度分布在太阳纬度上的偏度变化。这补充了Caccin等人的发现。 (1998年),亮度分布的偏斜跟随太阳周期。研究结果表明,超粒度,网络亮度和网络亮度分布的偏斜度对太阳纬度或太阳周期相位的依赖性是由于网络磁场的相关变化所致。

著录项

  • 来源
    《Solar Physics》 |2002年第1期|11-16|共6页
  • 作者

    K.P. Raju; Jagdev Singh;

  • 作者单位

    Indian Institute of Astrophysics;

    Indian Institute of Astrophysics;

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  • 原文格式 PDF
  • 正文语种 eng
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