Observations with the Imaging Vector Magnetograph

9303873 Canfield PI要求在1993 - 1995年太阳活动减弱期间在Mees太阳天文台运行新的成像矢量磁图仪，以支持Max '91运动和个人研究项目。在此期间，将举行一些社区范围的活动，与VLA观测期、磁力计活动、气球飞行和火箭发射有关，PI将积极参与这些活动。此外，PI将开展一个独立的研究计划，其目标将包括：从光球和色球矢量磁图中确定耀斑产生活动区的日冕磁场是否不仅是非势磁场，而且是非力磁场，并了解这种偏离的起源；2. 了解光球磁场和电流系统与耀斑体能量和非热电子加速和沉淀的形态关系；3. 确定耀斑期间H极化的时间依赖性，并了解其与尚不清楚的次mev范围内的高能质子的关系；4. 确定在光球中观测到的垂直电流是由下方产生的，还是由光球运动产生的。＊＊＊

9303873 Canfield The PI requests funds to operate the new Imaging Vector Magnetograph at Mees Solar Observatory during the 1993 - 1995 period of declining solar activity, in support of both Max '91 campaigns and individual research projects. Several community-wide campaigns will take place during this period, associated with VLA observing periods, magnetograph campaigns, balloon flights, and rocket launches, and the PI will actively participate in these campaigns. As well, the PI will conduct an independent research program whose goals will include: 1. to determine from photospheric and chromospheric vector magnetograms whether coronal magnetic fields in flare-productive active regions are demonstrably not only non-potential, but also non-force-free, and to understand the origin of such departures; 2. to understand the morphological relationship of photospheric magnetic fields and current systems to bulk energization and nonthermal electron acceleration and precipitation in flares; 3. to determine the temporal dependence of H polarization during flares, and to understand its relationship to energetic protons in the ill-understood sub-MeV range; 4. to determine whether vertical currents observed in the photospheric emerge from below, or are generated after emergence by photospheric motions. ***