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Polarimetric properties of Mercury-like and Venus-like exoplanets
Qu ZQ(屈中权); Sun J(孙杰); Song W(宋伟); Yan XL(闫晓理); Qu, ZQ (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Kunming 650011, Yunnan, Peoples R China.
发表期刊PLANETARY AND SPACE SCIENCE
2013-04
卷号78页码:33-37
DOI10.1016/j.pss.2013.01.006
产权排序第1完成单位
收录类别SCI ; EI
关键词Polarization Exoplanets Mercury And Venus
摘要The polarization phase curves are presented at effective wavelengths of 0.55 mu m from photometry and polarimetry of Mercury and Venus when the two planets are treated as both the spatially resolved planets and corresponding unresolved exoplanets. The discrepancy between the theoretical curves by others and these curves are pointed out. It is found that the polarization amplitude of the unresolved Mercury is smaller than that of the unresolved Venus by two or three orders with 1 AU distance from a host star at the same observation distance. And their polarization phase curve patterns are highly in contrast to each other. In both the observational coordinates and the coordinates defined by the scattering plane, the Mercury-like curve takes an appearance of dominantly positive polarization while the Venus-like has a feature of negative polarization dominance. This feature does not vary with planetary radius, distance from the host star or distance from the observer. Further, the phase angle of polarization turning point where the polarization changes sign is also independent of these parameters. These properties can help us to distinguish those exoplanets with atmospheres from those without atmosphere and thus to be instructive to figure out types of exoplanets. (C) 2013 Elsevier Ltd. All rights reserved.
项目资助者Chinas 973 project [G2011CB811400] ; National Science Foundation of China (NSFC) [10903027, 11078005, 10943002] ; Yunnan Science Foundation of China [2009CD120]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0032-0633
URL查看原文
归档日期2013-05-06;2013-09-24
WOS记录号WOS:000317806700004
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]BIDIRECTIONAL REFLECTANCE SPECTROSCOPY ; MULTICOLOR PHOTOELECTRIC PHOTOMETRY ; BRIGHTER PLANETS ; PHASE FUNCTION ; POLARIZATION ; LIGHT ; ATMOSPHERE ; DEPENDENCE ; WAVELENGTH ; SCATTERING
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6234
专题太阳物理研究组
通讯作者Qu, ZQ (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Kunming 650011, Yunnan, Peoples R China.
作者单位Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming, Yunnan 650011, PR China
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GB/T 7714
Qu ZQ,Sun J,Song W,et al. Polarimetric properties of Mercury-like and Venus-like exoplanets[J]. PLANETARY AND SPACE SCIENCE,2013,78:33-37.
APA Qu ZQ,Sun J,Song W,Yan XL,&Qu, ZQ .(2013).Polarimetric properties of Mercury-like and Venus-like exoplanets.PLANETARY AND SPACE SCIENCE,78,33-37.
MLA Qu ZQ,et al."Polarimetric properties of Mercury-like and Venus-like exoplanets".PLANETARY AND SPACE SCIENCE 78(2013):33-37.
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