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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)
Source PublicationPLANETARY AND SPACE SCIENCE
2013-04
Volume78Pages:33-37
DOI10.1016/j.pss.2013.01.006
Contribution Rank第1完成单位
Indexed BySCI ; EI
KeywordPolarization Exoplanets Mercury And Venus
Abstract

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. 

Funding ProjectChinas 973 project[G2011CB811400] ; National Science Foundation of China (NSFC)[10903027] ; National Science Foundation of China (NSFC)[11078005] ; National Science Foundation of China (NSFC)[10943002] ; Yunnan Science Foundation of China[2009CD120]
Funding OrganizationChinas 973 project[G2011CB811400] ; National Science Foundation of China (NSFC)[10903027, 11078005, 10943002] ; Yunnan Science Foundation of China[2009CD120]
Language英语
Subject Area天文学 ; 恒星与银河系
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Publication PlaceTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
ISSN0032-0633
URL查看原文
Archive Date2013-05-06;2013-09-24
WOS IDWOS:000317806700004
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordBIDIRECTIONAL REFLECTANCE SPECTROSCOPY ; MULTICOLOR PHOTOELECTRIC PHOTOMETRY ; BRIGHTER PLANETS ; PHASE FUNCTION ; POLARIZATION ; LIGHT ; ATMOSPHERE ; DEPENDENCE ; WAVELENGTH ; SCATTERING
EI Accession Number20131416157554
EI KeywordsInterplanetary flight
EI Classification Number656.1Space Flight - 657.2Extraterrestrial Physics and Stellar Phenomena - 941.3Optical Instruments
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6234
Collection太阳物理研究组
Corresponding AuthorQu ZQ(屈中权)
AffiliationYunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming, Yunnan 650011, PR China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
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.(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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