Huang Xiangjie1; Lu Xiaoping1; Li Jianyang2; Mei Bao1; Hsia Chih Hao1; Zhao Haibin3
Source Publicationresearchinastronomyandastrophysics
AbstractIn deriving the physical properties of asteroids from their photometric data, the scattering law plays an important role, although the shape variations of asteroids result in the main variations in lightcurves. by following the physical behaviors of light reflections, hapke et al. deduced complex functions to represent the scattering process, however, it is very hard to accurately simulate the surface scattering law in reality. for simplicity, other numerical scattering models are presented for efficiently calculating the physical properties of asteroids, such as the lommel-seeliger (ls) model. in this article, these two models are compared numerically. it is found that in some numerical applications the ls model in simple form with four parameters can be exploited to replace the hapke model in complex form with five parameters. furthermore, the generated synthetic lightcurves by the cellinoid shape model also show that the ls model can perform as well as the hapke model in the inversion process. finally, by applying the principal component analysis (pca) technique to the parameters of the ls model, we present an efficient method to classify c and s type asteroids, instead of the conventional method using the parameters of the hapke model.
Document Type期刊论文
2.Planetary Science Institute, 1700 E. Ft. Lowell Road, Suite 106, Tucson, AZ 85719
Recommended Citation
GB/T 7714
Huang Xiangjie,Lu Xiaoping,Li Jianyang,et al. scatteringlawanalysisbasedonhapkeandlommelseeligermodelsforasteroidaltaxonomy[J]. researchinastronomyandastrophysics,2017,17(10):8.
APA Huang Xiangjie,Lu Xiaoping,Li Jianyang,Mei Bao,Hsia Chih Hao,&Zhao Haibin.(2017).scatteringlawanalysisbasedonhapkeandlommelseeligermodelsforasteroidaltaxonomy.researchinastronomyandastrophysics,17(10),8.
MLA Huang Xiangjie,et al."scatteringlawanalysisbasedonhapkeandlommelseeligermodelsforasteroidaltaxonomy".researchinastronomyandastrophysics 17.10(2017):8.
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