磁极性反转线附近黑子半影纤维的形态

The Morphology of Penumbra Filaments Near the Polarity Reversion Lines in Sunspot Regions

本文对８个活动区极性反转线（中性线）附近黑子半影纤维的形态进行了分析得出：１）具有强δ磁结构的活动区，穿过主要异极性黑子间的中性线近旁半影纤维或多或少地与中性线平行（交角小于３０°），有关黑子半影呈旋涡形态；２）由新浮现发展形成的δ结构区，异级黑子在大黑子边缘或与大．黑子本影之间有一段距离，中性线两边的半影纤维有序排列，走向与中性线斜交，有关黑子呈弱的旋涡形态。３）对于较稳定的极群，Ｎ、Ｓ极性间的宽窄不一的半影稀疏区，中性线沿该区经过，两旁半影松散齿状，走向与中性线大体垂直，相反极性本影间距较远。

The morphology of penumbra filaments near the polarity reversion lines(neutral line)in eight sunspot groups is analysed. The preliminary conclusions are: 1)In the active region with strong delta configuration,the Penumbra filament is parallel more or less to the neutral line (angle of tilt less than 30 degree) which is crossing main spot area with different Polarities. The spots concerned often show some kinds of spiral morphology. 2)In the new emergent region or delta region formed by colliding,the spots near neutral line with different polarities often place at the boundary of main spots or far away from them,the penumbra filaments near the neutral line arrange more or less in order and tilt to the neutral line. The spots conerned often show the weak spiral morphology. 3)In stable bipolar sunspot groups, regions with scattered penumbra filaments are often appeared between the spots with different polarities and the neutal line that is Passing the regions. The penumbra filament in these regions show the sparse or comb-like morphology and orinte more or less perpendicular to the neutral line. The distance between the spots with different polarities is rather large.