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QUIESCENT SOLAR PROMINENCES AND MAGNETIC-ENERGY STORAGE

机译:静止的太阳突出和磁能存储

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摘要

Analytical solutions are presented to describe the hydromagnetic support of quiescent solar prominences treated as cold plasma sheets in the characteristic normal and inverse configurations. The solar corona is modeled to be axisymmetric outside a unit sphere, with the prominence sheet lying in the equatorial plane extending from the sphere out to a finite radial distance subject to an inverse-square Newtonian gravity. The relationship between prominence support and the global topology of the surrounding poloidal magnetic field is discussed, with a particular interest in the role of magnetic flux ropes in the support of inverse prominences A novel solution is also studied describing a rope of purely azimuthal magnetic flux held in equilibrium by the weight of an internal distribution of cold mass and by an external poloidal magnetic field rigidly anchored to the base of the model corona. This solution illustrates the role that prominence weight may play in storing magnetic energy for driving coronal mass ejections.
机译:提出了分析解决方案,以描述在特征正态和反态配置下被视为冷等离子体片的静态太阳突出的水磁支撑。太阳日冕被建模为在单位球面外是轴对称的,突出片位于赤道平面内,从球面向外延伸到有限的径向距离,并受牛顿反平方重力的影响。讨论了突出支撑与周围极向磁场的整体拓扑之间的关系,特别关注磁通量绳索在反向突出中的作用通过内部冷物质的重量分布和外部锚定磁场牢固地锚定在电晕模型的基座上而达到平衡。该解决方案说明了突出重量可能在存储用于驱动冠状物质喷射的磁能中发挥的作用。

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