When leaving the Solar system: Dark matter makes a difference

被引：7

作者：

Belbruno, Edward ^{[1
,2
]}

Green, James ^{[3
]}

机构：

[1] Yeshiva Univ, Dept Math, 500 W 185 St, New York, NY 10033 USA

[2] Princeton Univ, Dept Astrophys Sci, Ivy Lane, Princeton, NJ 08542 USA

[3] NASA HQ, Washington, DC 20546 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2022年 / 510卷 / 04期

基金：

美国国家科学基金会;

关键词：

gravitation; local interstellar matter; solar neighbourhood; dark matter; HALO;

D O I：

10.1093/mnras/stab3781

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A resultant gravitational force due to the current estimates of the virial mass of the Milky Way galaxy, dominated by dark matter, is estimated near the Sun and is described in two different analytical models yielding consistent results. One is a two step Hernquist model, the other is a Navarro-Frenk-White model. The effect of this force is estimated on trajectories for spacecraft sufficiently far from the Sun. The difficulty of detecting this force is studied. It is concluded that its effect should be considered for certain spacecraft missions. Its effect on the Pioneer and New Horizons spacecrafts is discussed. A future mission is discussed that may be able to detect this force. Implications of this force are discussed with its impact for problems in planetary astronomy and astrophysics.

引用

页码：5154 / 5163

页数：10

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