岁差章动

Astronomical determination of the Earth's dynamical flattening using VLBI observations and IAU 2006/2000 Precession-Nutation Model
利用VLBI天极观测一致估计岁差章动中的地球动力学扁率，并提取与卫星激光测距结果基本一致的J₂长期变化。
引用 DOI 期刊页面
Astronomical determination of the Earth's dynamical flattening using VLBI observations and IAU 2006/2000 Precession-Nutation Model