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First microwave map of the Moon with Chang’E-1 data: The role of local time in global imaging | |
Y.C. Zheng; K.T. Tsang; K.L. Chan; Y.L. Zou; F. Zhang; Z.Y. Ouyang | |
2012 | |
Source Publication | Icarus
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Volume | 219Issue:1Pages:194-210 |
Abstract | Among recent lunar orbiters, only the Chinese Chang’E-1 (CE-1) was equipped with a passive microwave radiometer (MRM) to measure the natural microwave emission from the lunar surface. The microwave emission, characterized by a frequency-dependent brightness temperature (TB), is related to the physical temperature and dielectric properties of the lunar surface. By measuring the brightness temperature at different frequencies, detailed thermal behavior and properties of the lunar surface can be retrieved. Using CE-1’s microwave data, we present here a set of microwave maps of the Moon constructed through a rescaling of TB to noontime or midnight. The adopted processing technique helps to reduce the effect of mixing up the temporal and spatial variations introduced by the satellite’s localized measurements which cover different locations of the globe at different lunar local times. The resulting maps show fine structures unseen in previous microwave maps that disregarded the local time effect. We discussed the new features revealed and their possible connections with the lunar geology. |
Keyword | Radio Observations regoliths moon surface |
Indexed By | SCI |
Language | 英语 |
Document Type | 期刊论文 |
Identifier | http://ir.gyig.ac.cn/handle/42920512-1/9463 |
Collection | 月球与行星科学研究中心 |
Affiliation | 1.National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China 2.Centre for Space Science Research, Hong Kong University of Science and Technology, Hong Kong 3.Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China |
Recommended Citation GB/T 7714 | Y.C. Zheng;K.T. Tsang;K.L. Chan;Y.L. Zou;F. Zhang;Z.Y. Ouyang. First microwave map of the Moon with Chang’E-1 data: The role of local time in global imaging[J]. Icarus,2012,219(1):194-210. |
APA | Y.C. Zheng;K.T. Tsang;K.L. Chan;Y.L. Zou;F. Zhang;Z.Y. Ouyang.(2012).First microwave map of the Moon with Chang’E-1 data: The role of local time in global imaging.Icarus,219(1),194-210. |
MLA | Y.C. Zheng;K.T. Tsang;K.L. Chan;Y.L. Zou;F. Zhang;Z.Y. Ouyang."First microwave map of the Moon with Chang’E-1 data: The role of local time in global imaging".Icarus 219.1(2012):194-210. |
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First microwave map (5300KB) | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Download |
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