重力辅助作为相对论重力的检验

IF 1.2 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS Gravitation and Cosmology Pub Date : 2022-11-25 DOI:10.1134/S0202289322040053
S. V. Bolokhov, K. A. Bronnikov, M. V. Skvortsova
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引用次数: 1

摘要

我们考虑重力辅助机动,即航天器在接近行星时的运动修正,作为评估度量引力理论中表征真空球对称引力场的爱丁顿后牛顿参数\(\beta\)和\(\gamma\)的工具。我们估计了\(\beta\)和\(\gamma\)的变化对探测器从地球轨道发射并经过金星附近的特定轨迹的影响,其中相对论修正略微改变了探测器在金星引力场中的散射影响参数。特别是,\(\beta\)或\(\gamma\)的\(10^{-4}\)变化会导致探测器远日点位置移动约50公里。
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Gravity Assist as a Test of Relativistic Gravity

We consider the gravity assist maneuver, that is, a correction of spacecraft motion at its passing near a planet, as a tool for evaluating the Eddington post-Newtonian parameters \(\beta\) and \(\gamma\), characterizing vacuum spherically symmetric gravitation fields in metric theories of gravity. We estimate the effect of variation in \(\beta\) and \(\gamma\) on a particular trajectory of a probe launched from the Earth’s orbit and passing closely near Venus, where relativistic corrections slightly change the impact parameter of probe scattering in Venus’s gravitational field. It is shown, in particular, that a change of \(10^{-4}\) in \(\beta\) or \(\gamma\) leads to a shift of about 50 km in the probe’s aphelion position.

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来源期刊
Gravitation and Cosmology
Gravitation and Cosmology ASTRONOMY & ASTROPHYSICS-
CiteScore
1.70
自引率
22.20%
发文量
31
审稿时长
>12 weeks
期刊介绍: Gravitation and Cosmology is a peer-reviewed periodical, dealing with the full range of topics of gravitational physics and relativistic cosmology and published under the auspices of the Russian Gravitation Society and Peoples’ Friendship University of Russia. The journal publishes research papers, review articles and brief communications on the following fields: theoretical (classical and quantum) gravitation; relativistic astrophysics and cosmology, exact solutions and modern mathematical methods in gravitation and cosmology, including Lie groups, geometry and topology; unification theories including gravitation; fundamental physical constants and their possible variations; fundamental gravity experiments on Earth and in space; related topics. It also publishes selected old papers which have not lost their topicality but were previously published only in Russian and were not available to the worldwide research community
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