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The second post-Newtonian light propagation and its astrometric measurement in the solar system
Deng, Xue-Mei
2015-06-01
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS D
Volume24Issue:7Pages:1550056
AbstractThe relativistic theories of light propagation are generalized by introducing two new parameters zeta and eta in the second post-Newtonian (2PN) order, in addition to the parametrized post-Newtonian (PPN) parameters gamma and beta. This new 2PN parametrized (2PPN) formalism includes the nonstationary gravitational fields and the influences of all kinds of relativistic effects. The multipolar components of gravitating bodies are taken into account as well at the first post-Newtonian (1PN) order. The equations of motion and their solutions of this 2PPN light propagation problem are obtained. Started from the definition of a measurable quantity, a gauge-invariant angle between the directions of two incoming photons for a differential measurement in astrometric observation is discussed and its formula is derived. For a precision level of a few microarcsecond (mu as) for space astrometry missions in the near future, we further consider a model of angular measurement, the Laser Astrometric Test of Relativity (LATOR)-like missions. In this case, all terms with aimed at the accuracy of similar to 1 mu as are estimated.
KeywordAstrometry Reference Systems Relativity
Subject Area天文和天体物理
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1142/S021827181550056X
WOS KeywordGENERAL-RELATIVISTIC MODEL ; PREFERRED-FRAME THEORIES ; GRAVITATIONAL-FIELD ; MICROARCSECOND ASTROMETRY ; CONSERVATION LAWS ; FORMALISM ; GRAVITY ; MISSION ; SPACE ; TIME
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000355327200013
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/14869
Collection历算和天文参考系研究团组
AffiliationChinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Deng, Xue-Mei. The second post-Newtonian light propagation and its astrometric measurement in the solar system[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS D,2015,24(7):1550056.
APA Deng, Xue-Mei.(2015).The second post-Newtonian light propagation and its astrometric measurement in the solar system.INTERNATIONAL JOURNAL OF MODERN PHYSICS D,24(7),1550056.
MLA Deng, Xue-Mei."The second post-Newtonian light propagation and its astrometric measurement in the solar system".INTERNATIONAL JOURNAL OF MODERN PHYSICS D 24.7(2015):1550056.
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