相对论长期岁差
发布时间：2018-10-19 15:54
【摘要】：正长期岁差描述在长时间范围内黄道和赤道的长周期运动.根据Vondrák等人(2011)的工作,我们将周期大于1万年的进动归为岁差,其他短周期序列则在章动模型中考虑.本文主要工作是在相对论框架下计算长期岁差.相对于P03岁差只适用于历元J2000.0附近几百年的范围,这种新理论能更好地体现出岁差长周期的本质.之前的所有相关工作与广义相对论理论并不完全相符.他们仅仅考虑主要的相对论效应:太阳1阶后牛顿改正和测地岁差.且处理测地岁差的方式也只是在牛顿解的基础上加相对论
[Abstract]:Positive long-term precession describes the long-period motion of the zodiac and the equator over a long period of time. According to the work of Vondr 谩 k et al. (2011), the precession with a period greater than 10,000 years is classified as precession, and other short periodic sequences are considered in the nutation model. The main work of this paper is to calculate the long-term precession under the frame of relativity. Compared with the P03 precession, which is only suitable for hundreds of years around the epoch J2000.0, this new theory can better reflect the essence of the precession long period. All previous work is not entirely consistent with the theory of general relativity. They considered only the main relativistic effects: Newton's correction and geodesic precession after the first order of the sun. And the way to deal with geodesic precession is to add relativity to Newton's solution.
【作者单位】： 中国科学院上海天文台;
【分类号】：P137.2
本文编号：2281602
[Abstract]:Positive long-term precession describes the long-period motion of the zodiac and the equator over a long period of time. According to the work of Vondr 谩 k et al. (2011), the precession with a period greater than 10,000 years is classified as precession, and other short periodic sequences are considered in the nutation model. The main work of this paper is to calculate the long-term precession under the frame of relativity. Compared with the P03 precession, which is only suitable for hundreds of years around the epoch J2000.0, this new theory can better reflect the essence of the precession long period. All previous work is not entirely consistent with the theory of general relativity. They considered only the main relativistic effects: Newton's correction and geodesic precession after the first order of the sun. And the way to deal with geodesic precession is to add relativity to Newton's solution.
【作者单位】： 中国科学院上海天文台;
【分类号】：P137.2
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