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Imaging interplanetary CMEs at radio frequency from solar polar orbit
Wu Ji; Sun Weiying; Zheng Jianhua; Zhang Cheng; Liu Hao; Yan Jingye; Wang Chi; Wang Chuanbing; Wang Shui; Sun, WY (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Beijing 100190, Peoples R China.
Department微波遥感部
Source PublicationADVANCES IN SPACE RESEARCH
2011
Volume48Issue:5Pages:943-954
ISSN0273-1177
Language英语
KeywordInterplanetary Cmes Interferometric Imaging Solar Polar Orbit Radio Telescope
AbstractCoronal mass ejections (CMEs) represent a great concentration of mass and energy input into the lower corona. They have come to be recognized as the major driver of physical conditions change in the Sun-Earth system. Consequently, observations of CMEs are important for understanding and ultimately predicting space weather conditions. This paper discusses a proposed mission, the Solar Polar Orbit Radio Telescope (SPORT) mission, which will observe the propagation of interplanetary CMEs to distances of near 0.35 AU from the Sun. The orbit of SPORT is an elliptical solar polar orbit. The inclination angle between the orbit and ecliptic plane should be about 90 degrees. The main payload on board SPORT will be an imaging radiometer working at the meter wavelength band (radio telescope), which can follow the propagation of interplanetary CMEs. The images that are obtained by the radio telescope embody the brightness temperature of the objectives. Due to the very large size required for the antenna aperture of the radio telescope, we adopt interferometric imaging technology to reduce it. Interferometric imaging technology is based on indirect spatial frequency domain measurements plus Fourier transformation. The SPORT spacecraft will also be equipped with a set of optical and in situ measurement instruments such as a EUV solar telescope, a solar wind ion instrument, an energetic particle detector, a magnetometer, a wave detector and a solar radio burst spectrometer. Crown copyright (C) 2011 Published by Elsevier Ltd. on behalf of COSPAR. All rights reserved.; Coronal mass ejections (CMEs) represent a great concentration of mass and energy input into the lower corona. They have come to be recognized as the major driver of physical conditions change in the Sun-Earth system. Consequently, observations of CMEs are important for understanding and ultimately predicting space weather conditions. This paper discusses a proposed mission, the Solar Polar Orbit Radio Telescope (SPORT) mission, which will observe the propagation of interplanetary CMEs to distances of near 0.35 AU from the Sun. The orbit of SPORT is an elliptical solar polar orbit. The inclination angle between the orbit and ecliptic plane should be about 90 degrees. The main payload on board SPORT will be an imaging radiometer working at the meter wavelength band (radio telescope), which can follow the propagation of interplanetary CMEs. The images that are obtained by the radio telescope embody the brightness temperature of the objectives. Due to the very large size required for the antenna aperture of the radio telescope, we adopt interferometric imaging technology to reduce it. Interferometric imaging technology is based on indirect spatial frequency domain measurements plus Fourier transformation. The SPORT spacecraft will also be equipped with a set of optical and in situ measurement instruments such as a EUV solar telescope, a solar wind ion instrument, an energetic particle detector, a magnetometer, a wave detector and a solar radio burst spectrometer. Crown copyright (C) 2011 Published by Elsevier Ltd. on behalf of COSPAR. All rights reserved.
Indexed BySCI ; EI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/3125
Collection空间科学部
Corresponding AuthorSun, WY (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Wu Ji,Sun Weiying,Zheng Jianhua,et al. Imaging interplanetary CMEs at radio frequency from solar polar orbit[J]. ADVANCES IN SPACE RESEARCH,2011,48(5):943-954.
APA Wu Ji.,Sun Weiying.,Zheng Jianhua.,Zhang Cheng.,Liu Hao.,...&Sun, WY .(2011).Imaging interplanetary CMEs at radio frequency from solar polar orbit.ADVANCES IN SPACE RESEARCH,48(5),943-954.
MLA Wu Ji,et al."Imaging interplanetary CMEs at radio frequency from solar polar orbit".ADVANCES IN SPACE RESEARCH 48.5(2011):943-954.
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