Determination of the orbital parameters of binary pulsars

被引：40

作者：

Freire, PC ^{[1
]}

Kramer, M ^{[1
]}

Lyne, AG ^{[1
]}

机构：

[1] Univ Manchester, Jodrell Bank Observ, Macclesfield SK11 9DL, Cheshire, England

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2001年 / 322卷 / 04期

关键词：

binaries : general; pulsars : general; globular clusters : individual : 47 Tucanae;

D O I：

10.1046/j.1365-8711.2001.04200.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a simple, novel method for determining the orbital parameters of binary pulsars. This method works with any sort of orbital sampling, no matter how sparse, provided that information on the period derivatives is available with each measurement of the rotational period of the pulsar, and it is applicable to binary systems with nearly circular orbits. We use the technique to estimate precisely the hitherto unknown orbital parameters of two binary millisecond pulsars in the globular cluster 47 Tucanae, 47 Tuc S and T. The method can also be used more generally to make first-order estimates of the orbital parameters of binary systems using a minimal number of data.

引用

页码：885 / 890

页数：6

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