Gravitational multipole moments of the Sun determined from helioseismic estimates of the internal structure and rotation

被引：44
|
作者：
Roxburgh, IW
机构：
[1] Univ London Queen Mary & Westfield Coll, Astron Unit, London E1 4NS, England
[2] Observ Paris, LESIA, F-92155 Meudon, France
来源：
ASTRONOMY & ASTROPHYSICS | 2001年 / 377卷 / 02期
关键词：
rotation; helioseismology;
D O I：
10.1051/0004-6361:20011104
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We determine the gravitational multipole moments J(2n); n = 1; 5, of the sun using a model of the interior structure and of solar rotation obtained from helioseismic inversions. The differential rotation of the convective zone and the underlying transition zone make only a small (approximate to 0.5%) contribution to the quadrupole moment J(2) which is found to have a value approximate to 2.21 x 10(-7).
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页码：688 / 690
页数：3
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