Improved timing formula for the PSR B1257+12 planetary system

被引：16
|
作者：
Konacki, M
Maciejewski, AJ
Wolszczan, A
机构：
[1] Nicholas Copernicus Univ, Torun Ctr Astron, PL-87100 Torun, Poland
[2] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA
来源：
ASTROPHYSICAL JOURNAL | 2000年 / 544卷 / 02期
关键词：
celestial mechanics; stellar dynamics; planetary systems; pulsars : individual (PSR B1257+12);
D O I：
10.1086/317233
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a new analysis of the dynamics of the planetary system around the pulsar B1257 + 12. A semianalytical theory of perturbation between terrestrial-mass planets B and C is developed and applied to improve the multiorbit timing formula for this object. We use numerical simulations of the pulse arrival times for PSR B1257 + 12 to demonstrate that our new timing model can serve as a tool to determine the masses of the two planets.
引用
收藏
页码：921 / 926
页数：6
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