NSF-CGP Science Fellowship Program: Studies of the X-Ray Emission from SuperNova Remnants and Clusters of Galaxies

该奖项将支持约翰·P·史密斯博士对日本为期六个月的访问。 Hughes，美国史密森学会高能天体物理部 位于马萨诸塞州剑桥的天体物理观测所 与Katsuji教授进行一项合作项目， 小山，京都大学物理系。 的 研究人员还将与科学家合作， 空间和宇航科学研究所（ISAS）， 位于东京郊外，是X射线天文学的“中心” 在日本 这项研究将基于信息， X射线天文卫星（ASTRO-D）， 定于1993年2月发射。 这颗卫星是一颗 美国和日本之间的合作使命，将是 这是日本发射的一系列X射线卫星中的第四颗。 这 使命具有高成像和光谱能力， 硬X射线波段 使命的第一阶段将致力于 性能验证和在轨校准活动。 随后将对超新星进行研究和分析 星系的残骸和星系团 这些数据提供的知识将开发出新的基础知识。 深入了解所有类别的自然和排放过程， 天体物理学来源 日本人一直是 X射线天文学的这一领域 休斯教授擅长于 X射线卫星的核查和校准领域 这对日本人很有价值 他和美国。 科学界将受益于非常抢先体验， 数据 预计，合作将在 这些研究人员将持续多年。

This award will support a six month visit to Japan by Dr. John P. Hughes, High Energy Astrophysics Division, U.S. Smithsonian Institution Astrophysical Observatory in Cambridge, Massachusetts to carry out a collaborative project with Professor Katsuji Koyama, Department of Physics at Kyoto University. The researchers will also be cooperating with scientists at the Institute of Space and Astronautical Science (ISAS), which is located outside Tokyo and serves as the "hub" for X-ray astronomy in Japan. The research will be based on information to be transmitted from the X-ray Astronomy Satellite (ASTRO-D) which is scheduled for launch in February l993. This satellite is a collaborative mission between the U.S. and Japan and will be the fourth in a series of X-ray satellites launched in Japan. This mission has high capability of imaging and spectroscopy in the hard X-ray band. The first phase of the mission will be devoted to performance verfication and on-orbit calibration activities. This will be followed by studies and analyses of supernova remnants and clusters of galaxies. Knowledge provided by this data will develop fundamental new insights into the nature and emission processes of all classes of astrophysical sources. The Japanese have been the leaders in this area of X-ray astronomy. Professor Hughes has expertise in the areas of verification and calibration of X-ray satellites which will be valuable to the Japanese. Both he and the U.S. scientific community will benefit from very early access to the data. It is anticipated that the collaboration developed between these researchers will continue for many years.