globalchange  > 气候减缓与适应
DOI: 10.1002/2017JA024531
Scopus记录号: 2-s2.0-85044410722
论文题名:
Imaging the Global Distribution of Plasmaspheric Oxygen
作者: Goldstein J.; Chappell C.R.; Davis M.W.; Denton M.H.; Denton R.E.; Gallagher D.L.; Gladstone G.R.; Lecocke M.B.; Sandel B.R.; Windt D.L.
刊名: Journal of Geophysical Research: Space Physics
ISSN: 21699380
出版年: 2018
卷: 123, 期:3
起始页码: 2078
结束页码: 2103
语种: 英语
英文关键词: EUV imaging ; oxygen ; plasmasphere
英文摘要: This paper investigates the potential for 83.4 nm imaging of the plasmaspheric dense oxygen torus, using simple models for core plasma density and composition to constrain a simulated image code. We derive the requirements for plasmaspheric O+ imaging, and the expected performance of an imager based on a slightly modified version of the IMAGE extreme ultraviolet camera. We find that such an imager can achieve a sensitivity of 0.69(s R pixel)−1, sufficient to capture the dense torus 83.4 nm signal with 25 min integration time. The background rejection ratios for this design are 1.5 × 10−4 at 58.4 nm and 7.4 × 10−8 for Lyman-α. We discuss the effects of ion temperature and motion, and O++ glow. We compute simulated O+ images of the formation and global distribution of the dense torus. We also examine the possibility of direct observation of oxygen outflow from the ionosphere. ©2018. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/114349
Appears in Collections:气候减缓与适应

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作者单位: Space Science and Engineering Division, Southwest Research Institute, San Antonio, TX, United States; Department of Physics and Astronomy, University of Texas San Antonio, San Antonio, TX, United States; Vanderbilt Dyer Observatory, Department of Physics and Astronomy, Vanderbilt University, Nashville, TN, United States; Space Science Institute, Boulder, CO, United States; Department of Physics and Astronomy, Dartmouth College, Hanover, NH, United States; NASA Marshall Space Flight Center, Huntsville, AL, United States; Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, United States; Reflective X-ray Optics LLC, New York, NY, United States

Recommended Citation:
Goldstein J.,Chappell C.R.,Davis M.W.,et al. Imaging the Global Distribution of Plasmaspheric Oxygen[J]. Journal of Geophysical Research: Space Physics,2018-01-01,123(3)
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