NSF-CGP Science Fellowship Program: Ground-Based Support of the Yohkoh Solar Mission

该奖项支持夏威夷大学的美国研究员Barry LaBonte在塔夫茨大学首席研究员Kenneth Lang的指导下对日本进行为期九个月的访问，以参与日本太阳卫星Yohkoh的地面和理论支持。LaBonte博士将与三名主要的日本研究人员合作：东京大学天文学教授内田由隆、空间和宇航科学研究所(ISAS)教授小川义明和日本国家天文台太阳物理组主任平山忠志。Yohkoh卫星于1991年8月由ISAS发射。它的预期寿命超过三年。Yohkoh任务的目标是研究太阳耀斑中的能量现象，以及研究非耀斑日冕的热结构和磁结构。Yohkoh航天器上的X射线成像仪和光谱仪提供了关于日冕本身的独特、详细和完整的信息。然而，地面仪器对光球层底层磁场和色球结构的观测对于最全面地理解关键的科学问题也是必不可少的。拉邦特博士将致力于三个具体的主题：大型事件、耀斑发射光谱和日冕加热。这颗卫星目前是太空中唯一的太阳观测站，它的数据将为美国和日本的许多太阳研究项目提供基础。它还为我们在理解支配太阳耀斑和日冕的物理过程方面取得重大进展提供了机会。//

This award provides support for a nine-month visit to Japan by a U.S. investigator, Barry LaBonte of the University of Hawaii, working under the direction of the principal investigator, Kenneth Lang of Tufts University, to participate in ground-based and theoretical support of the Japanese solar satellite, Yohkoh. Dr. LaBonte will be working with three primary Japanese investigators: Yutaka Uchida, Professor of Astronomy, Tokyo University; Professor Yoshiaki Ogawara, Institute of Space and Astronautical Science (ISAS); and Tadashi Hirayama, Professor and Director of the Solar Physics Group at the National Astronomical Observatory of Japan. The Yohkoh satellite was launched in August, 1991 by ISAS. It has an expected lifetime of more than three years. The goals of the Yohkoh mission are the study of energetic phenomena in solar flares and the study of the thermal and magnetic structure of the nonflare corona. The X-ray imagers and spectrometers on the Yohkoh spacecraft provide uniquely detailed and complete information on the corona itself. Observations from ground-based instruments of the underlying photospheric magnetic field and chromospheric structure are also essential, however, for the most comprehensive understanding of the critical science questions. Dr. LaBonte will work on three specific topics: large scale events, flare emission spectrum, and heating of corona. The data from the satellite, currently the only solar observatory in space, will provide the basis for many solar research projects in the United States and Japan. It also provides an opportunity for significant advances in our understanding of the physical processes that govern solar flares and the corona in general. //