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Active Regions on the Sun with Increased Flare Activity in Cycle 24
Astronomy Reports ( IF 1 ) Pub Date : 2021-06-17 , DOI: 10.1134/s1063772921070064
S. A. Yazev , E. S. Isaeva , Yu. V. Ishmukhametova

Abstract

The active regions (ARs) on the Sun, which are distinguished by high values of the flare index and simultaneously developed outside activity complexes (ACs), have been analyzed. Thirteen such objects were identified in cycle 24. We showed that these ARs belong to the category of relatively long-lived large groups of sunspots, characterized by an increased rate of area growth. These ARs are part of the AR complexes, connect with other AR systems of high coronal systems, including trans-equatorial ones. We associated some of these ARs with short-lived (less than 3 Carrington rotations) ACs and some ARs are components of complexes of ARs. All 13 considered ARs were located near coronal holes.



中文翻译:

第 24 周期中耀斑活动增加的太阳活动区域

摘要

太阳上的活动区 (AR) 以高耀斑指数值和同时发展的外部活动复合体 (AC) 为特征,已进行了分析。在周期 24 中发现了 13 个这样的天体。我们表明,这些 AR 属于相对寿命较长的大群太阳黑子,其特征是面积增长率增加。这些 AR 是 AR 复合体的一部分,与高日冕系统的其他 AR 系统相连,包括跨赤道系统。我们将这些 AR 中的一些与短寿命(少于 3 次卡林顿旋转)的 AC 联系起来,一些 AR 是 AR 复合体的组成部分。所有 13 个被考虑的 AR 都位于冠状孔附近。

更新日期:2021-06-18
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