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Thermal Trigger for Solar Flares III: Effect of the Oblique Layer Fragmentation
Solar Physics ( IF 2.7 ) Pub Date : 2021-08-06 , DOI: 10.1007/s11207-021-01862-w
Leonid Ledentsov 1
Affiliation  

We consider the oblique fragmentation of the current layer as a result of the thermal instability described in Ledentsov (Solar. Phys. 296, 74, 2021a). It is shown that the fragmentation transverse to the current is a natural feature of the model. The fragmentation tilt does not exceed a few degrees for realistic preflare parameters of the coronal plasma. As a consequence, oblique fragmentation generally does not have a strong impact on the simulation results, however, extreme changes can reach an order of magnitude. Thus, oblique fragmentation can lead to a decrease in the estimate of the spatial period of the location of elementary energy release in solar flares to 0.1 – 1 Mm instead of 1 – 10 Mm obtained earlier.



中文翻译:

太阳耀斑的热触发 III:斜层碎裂的影响

我们认为当前层的倾斜破碎是 Ledentsov ( Solar. Phys. 296 , 74, 2021a) 中描述的热不稳定性的结果。结果表明,横向于电流的碎裂是模型的自然特征。对于日冕等离子体的实际预耀斑参数,碎裂倾斜不会超过几度。因此,倾斜破碎一般不会对模拟结果产生强烈影响,但极端变化可能会达到一个数量级。因此,倾斜破碎会导致对太阳耀斑中基本能量释放位置空间周期的估计减少到 0.1 – 1 Mm,而不是之前获得的 1 – 10 Mm。

更新日期:2021-08-09
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