Studies on dynamical processes among Mercury's atmosphere, magnetosphere and the solar wind based on 2D imaging observations for Mercury's atmospheric emissions
基于水星大气排放二维成像观测的水星大气层、磁层和太阳风动力学过程研究
基本信息
- 批准号:11640438
- 负责人:
- 金额:$ 2.3万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:1999
- 资助国家:日本
- 起止时间:1999 至 2000
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
1) Development of the 2D imaging system for atmospheric emission of MercuryThe 2D imaging system for detection of Na-D line emission of Mercury's atmosphere is successfully developed. The back-end of the system consists of temperature and tilt-angle controlled interference filter and electrically cooled 2D CCD camera. The band-width of the filter is only 0.13nm (FWHM) for reducing the contamination caused by continuum emissions from the day-side area of Mercury. The temperature control function is used for adjusting the center wavelength of the filter against changes in ambient temperature, while the tilt-angle control function is used for changing the center wavelength in a short time to observe both a Na-D line image and back-ground emission image as a reference. The back-end is attached to the 60cm φ F/24 coude telescope system of Tohoku University.2) Observations of Na-D line emission of Mercury's atmosphereThe observations were made from Nov. to Dec. 2000. Due to small solar elong … More ation of Mercury, the observations were made in the twilight period at low elevation angle. The trackingg error of the telescope system was therefore inevitably large. The error has not been fully compensated during this research period, then, reliable images have not been acquired successfully. However, we have established analysis methods which are required to derive 2D image of Mercury's atmosphere ; i.e., the compensation method for atmospheric smearing and the reduction method of back-ground emission.3) Development of Monte-Carlo simulation model for Mercury's atmosphereA Monte-Carlo simulation model for neutral and ionized particles has been developed under the consideration of gravity forces of Mercury and the sun and the presence of magnetic field of Mercury. Three main gas release processes are taken into account in the model ; photon-stimulated desorption, ion sputtering and meteoritic vaporization. Although quantitative investigations of dynamical processes among Mercury's atmosphere, magnetosphere and the solar wind are deferred for future studies due to lack of reliable data, a significant model has been established in this research. Less
1)水星大气发射二维成像系统研制成功用于探测水星大气Na-D线发射的二维成像系统。系统的后端由温度和倾角控制的干涉滤光片和电冷却的二维CCD相机组成。该滤波器的带宽仅为0.13nm (FWHM),以减少水星日侧区域连续辐射造成的污染。温度控制功能用于根据环境温度的变化调节滤光片的中心波长,倾角控制功能用于在短时间内改变中心波长,以观察Na-D线图像和背景发射图像作为参考。后端连接到日本东北大学60cm φ F/24 coude望远镜系统。2)水星大气Na-D线发射的观测于2000年11月至12月进行。由于水星离太阳较远,观测是在黄昏时以低仰角进行的。因此,望远镜系统的跟踪误差不可避免地很大。在此研究期间,由于误差没有得到充分补偿,因此没有成功地获得可靠的图像。然而,我们已经建立了获得水星大气二维图像所需的分析方法;即大气涂布补偿法和背景排放减少法。3)水星大气蒙特卡罗模拟模型的建立考虑了水星和太阳的引力以及水星磁场的存在,建立了中性粒子和电离粒子的蒙特卡罗模拟模型。该模型考虑了三种主要的气体释放过程;光子激发解吸、离子溅射和陨石汽化。虽然由于缺乏可靠的数据,对水星大气、磁层和太阳风的动力学过程的定量研究被推迟到未来的研究中,但本研究已经建立了一个重要的模型。少
项目成果
期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
高見澤広司: "Model Calculation of Neutral Sodium Atmosphere of Mercury"Proc.33rd ISAS Lunar and Planet.Symp.. 149-152 (2000)
Koji Takamizawa:“水星中性钠大气的模型计算”Proc.33rd ISAS Lunar and Planet.Symp.. 149-152 (2000)
- DOI:
- 发表时间:
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- 影响因子:0
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- 通讯作者:
高見澤広司: "Model Calculation of Neutral Sodium Atmosphere of Mercury"Proc.33rd ISAS lunar Planet.Symp.. 149-152 (2000)
Koji Takamizawa:“水星中性钠大气的模型计算”Proc.33rd ISAS 月球行星.Symp.. 149-152 (2000)
- DOI:
- 发表时间:
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- 影响因子:0
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- 通讯作者:
Kouji Takamizawa, Hiroaki Misawa, Akira Morioka, and Shoichi Okano: "Model calculation of neutral sodium atmosphere of Mercury"Proceedings of the 33rd ISAS Lunar and Planetary Symposium. 149-152 (2000)
Kouji Takamizawa、Hiroaki Misawa、Akira Morioka 和 Shoichi Okano:“水星中性钠大气的模型计算”第 33 届 ISAS 月球与行星研讨会论文集。
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- 影响因子:0
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MISAWA Hiroaki其他文献
MISAWA Hiroaki的其他文献
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{{ truncateString('MISAWA Hiroaki', 18)}}的其他基金
Investigations of origin of Mercury's exospheric atmosphere based on the optical observations with high spatial resolution at optimum observation sites
基于最佳观测地点高空间分辨率光学观测的水星外大气层起源研究
- 批准号:
20403010 - 财政年份:2008
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of Highly Sensitive DNA Microarray Sensor Based on Periodic Metallic Nanostructures
基于周期性金属纳米结构的高灵敏度DNA微阵列传感器的研制
- 批准号:
17360110 - 财政年份:2005
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Studies on acceleration processes of Iogenic gas and plasma based on stational observations at a suitable site for optical observations
基于适宜光学观测地点的定点观测研究成因气体和等离子体的加速过程
- 批准号:
17403007 - 财政年份:2005
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Studies on production processes of exospheric atmospheres of Mercury and Io based on development of a spectro-imager
基于光谱成像仪的水星和木卫一外层大气产生过程研究
- 批准号:
15340160 - 财政年份:2003
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of Nonoactuators by Using of Light Radiation Pressure
利用光辐射压力开发非致动器
- 批准号:
13305018 - 财政年份:2001
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Studies of release and loss processes of Mercury's atmosphere investigated with ground based optical observations
通过地面光学观测研究水星大气层的释放和损失过程
- 批准号:
13640445 - 财政年份:2001
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Development of Integrated Micro-Chip Device for DNA Analysis
DNA分析集成微芯片装置的研制
- 批准号:
11793004 - 财政年份:1999
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for University and Society Collaboration
Development of New Technology for Micro-Machine Fabrication
微机械制造新技术的发展
- 批准号:
10450100 - 财政年份:1998
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (B).
Development of Ultra-high Density Three-dimensional Optical Data storage System
超高密度三维光学数据存储系统的研制
- 批准号:
09355008 - 财政年份:1997
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Studies on the Distribution of Sources of Jovian Magnetospheric Plasma Originated from Io Based on Optical Observations
基于光学观测的木星磁层等离子体源分布研究
- 批准号:
08640553 - 财政年份:1996
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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