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Photometric modeling of the Moon using Lommel-Seeliger function and Chang'E-1 IIM data | |
Jiang Zhang; ZongCheng Ling; WenXi Zhang; Xin Ren; ChunLai Li; JianZhong Liu | |
2013 | |
Source Publication | Chinese Science Bulletin
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Volume | 58Issue:36Pages:4588-4592 |
Abstract | The imaging interferometer (IIM) aboard the Chang’E-1 lunar orbiter is the first multispectral imaging spectrometer for Chinese lunar missions. Before science applications (e.g., FeO and TiO2 mapping) of the IIM raw data, the radiance variation due to changes in illumination and viewing geometry has to be removed from the radiometrically calibrated IIM Level 2A images. To achieve this, we fit the IIM Level 2A radiance data with a Lommel-Seeliger photometric model consisting of an exponential term and a fourth order polynomial in the phase function, without distinguishing between lunar maria and highlands. The exponential and the fourth order polynomial parameters are derived separately by fitting to two datasets divided at a solar phase angle threshold, avoiding a decrease in the phase function close to zero phase angle. Different phase angle thresholds result in coincident fitting curves between 20° and 75°, while large discrepancies occur at other phase angles. Then the derived photometric model is used to normalize the IIM Level 2A data to radiance values at an incidence and phase angle of 30° and emission angle of 0°. Our photometric model is validated by comparing two photometrically normalized IIM radiance spectra covering the same areas, showing a relative deviation consistent with the IIM preflight calibration. |
Keyword | Chang’e-1 Iim Lommel-seeliger Photometric Model |
Indexed By | SCI |
Language | 英语 |
Document Type | 期刊论文 |
Identifier | http://ir.gyig.ac.cn/handle/42920512-1/11033 |
Collection | 月球与行星科学研究中心 |
Affiliation | 1.School of Physics, Shandong University, Jinan 250100, China 2.School of Space Science and Physics & Shandong Provincial Key Laboratory of Optical Astronomy & Solar-Terrestrial Environment, Shandong University, Weihai 264209, China 3.Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094, China 4.National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China 5.Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China |
Recommended Citation GB/T 7714 | Jiang Zhang;ZongCheng Ling;WenXi Zhang;Xin Ren;ChunLai Li;JianZhong Liu. Photometric modeling of the Moon using Lommel-Seeliger function and Chang'E-1 IIM data[J]. Chinese Science Bulletin,2013,58(36):4588-4592. |
APA | Jiang Zhang;ZongCheng Ling;WenXi Zhang;Xin Ren;ChunLai Li;JianZhong Liu.(2013).Photometric modeling of the Moon using Lommel-Seeliger function and Chang'E-1 IIM data.Chinese Science Bulletin,58(36),4588-4592. |
MLA | Jiang Zhang;ZongCheng Ling;WenXi Zhang;Xin Ren;ChunLai Li;JianZhong Liu."Photometric modeling of the Moon using Lommel-Seeliger function and Chang'E-1 IIM data".Chinese Science Bulletin 58.36(2013):4588-4592. |
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