Parent distributions of the periods and magnetic inclination angles of radio pulsars
文献类型：期刊论文
| 作者 | Zhang L(张力)1,2 ; Jiang, ZJ2; Mei, DC2
|
| 刊名 | PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
 |
| 出版日期 | 2003 |
| 卷号 | 55期号:2页码:461-466 |
| 关键词 | pulsars : general stars : neutron stars : rotation |
| ISSN号 | 0004-6264 |
| 产权排序 | 第一完成单位 |
| 通讯作者 | Zhang, L (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, POB 110, Kunming, Peoples R China. |
| 英文摘要 | We studied the parent distributions of pulsar periods and inclination angles by means of the Monte Carlo method. In our simulations, assuming that the parent period distribution satisfies a gamma function with two parameters, we tested a number of various parent distributions of the inclination angles (alpha), which are the inclination angles of the magnetic axis to the pulsar spin axis, and different relations between the beam angular radius (rho) and the pulsar period (P) (i.e. rho-P relation). The simulated periods, pulse widths, and inclination angles were compared with the observed data using the Kolmogorov-Smirnov significance test. Our results indicate that: (i) the parent inclination angles could not be expressed by a flat function (a possible parent distribution is cosine-like or proportional to {0.6/cosh[3.5(alpha-0.43)]} + {0.15/cosh[4.0(alpha - 1.6)]}); (ii) the parent period distribution depends slightly on the rho-P relation, and is different from the observed period distribution (their differences can be expressed by different values of two parameters when the parent and observed period distributions can be described as gamma functions); and (iii) the average beaming fraction is about 0.12. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Astronomy & Astrophysics |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | EMPIRICAL-THEORY ; EMISSION REGION ; BEAMS ; GEOMETRY ; RADIATION ; EVOLUTION |
| 收录类别 | SCI |
| 原文出处 | http://pasj.oxfordjournals.org/content/55/2/461 |
| 语种 | 英语 |
| WOS记录号 | WOS:000182614100013 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/4170]  |
| 专题 | 云南天文台_其他 |
| 作者单位 | 1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, P.O. Box 110, Kunming, P. R. China 2.Department of Physics, Yunnan University, Kunming, 650091, P. R. China |
| 推荐引用方式 GB/T 7714 | Zhang L,Jiang, ZJ,Mei, DC. Parent distributions of the periods and magnetic inclination angles of radio pulsars[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2003,55(2):461-466. |
| APA | Zhang L,Jiang, ZJ,&Mei, DC.(2003).Parent distributions of the periods and magnetic inclination angles of radio pulsars.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,55(2),461-466. |
| MLA | Zhang L,et al."Parent distributions of the periods and magnetic inclination angles of radio pulsars".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 55.2(2003):461-466. |
入库方式： OAI收割
来源：云南天文台
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