第21太阳活动周上升阶段汉勒效应测量的296个连续波平均磁场的24幅天气图
24 synoptic maps of average magnetic field in 296 prominences measured by the Hanle effect during the ascending phase of solar cycle 21
摘要：
目的：我们提出了24个太阳暗条的天气图，其中平均明确的磁场矢量的296个连续性与Pic-du-Midi观测确定1974年和1982年之间。这是第21个周期的上升阶段。方法：通过解释在$_3$ D \ion{He}{i}线中观察到的Hanle效应来确定磁场。利用以前关于日珥场极性和日珥手征的结果解决了基本的不确定性。出于准确性的原因，在每个突起中对测量值进行平均。结果：结果是双重的。首先，可以观察到从一条中性线到下一条中性线的交变场方向。第二，一个一般的字段对齐被发现沿太阳南北场是扭曲的差分旋转效应。提供了磁感应强度及其磁场坐标的数值数据，作为与本文相关的在线材料。
英文摘要：
Aims : We present 24 synoptic maps of solar filaments, in which the average unambiguous magnetic field vectors of 296 prominences were determined with Pic-du-Midi observations between 1974 and 1982. This was the ascending phase of cycle 21. Methods : The magnetic field was determined by interpreting the Hanle effect, which is observed in the \ion{He}{i} D$_3$ line. Previous results for the prominence field polarity and prominence chirality were applied to solve the fundamental ambiguity. The measurements were averaged in each prominence for accuracy reasons. Results : The result is twofold. First, alternating field directions can be observed from one neutral line to the next. Second, a general field alignment is found along a solar north-south field that is distorted by the differential rotation effect. The numerical data for the prominences and their magnetic field coordinates are provided as online material associated with this paper.
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