Pulsed γ-ray properties of Crab pulsar in a retarded dipole with a current-induced magnetic field

被引：3
|
作者：
Chang, Shan [1 ]
Zhang, Li [1 ]
Li, Xiang [1 ]
机构：
[1] Yunnan Univ, Dept Astron, Sch Phys Sci & Technol, Key Lab Astroparticle Phys Yunnan Prov, Kunming 650091, Peoples R China
来源：
RESEARCH IN ASTRONOMY AND ASTROPHYSICS | 2015年 / 15卷 / 12期
基金：
中国国家自然科学基金;
关键词：
gamma rays: theory; pulsars: general; pulsars: individual (Crab); stars: neutron; PHASE-RESOLVED SPECTRA; LIGHT CURVES; X-RAY; OUTER GAPS; EMISSION; MAGNETOSPHERES; RADIATION; GEOMETRY; MODEL;
D O I：
10.1088/1674-4527/15/12/010
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Motivated by the Fermi observations of some gamma-ray pulsars in which the phases of radio and gamma-ray peaks are almost the same, we investigate the outer gap model in a retarded dipole with a current-induced magnetic field and apply it to explain pulsed gamma-ray properties of the Crab pulsar. Our results show that the observed gamma-ray energy-dependent light curves, which almost align with the radio light curve and phase averaged spectrum for the Crab pulsar, are reproduced well.
引用
收藏
页码：2229 / 2236
页数：8
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