The discovery of an anomalous X-ray pulsar in the supernova remnant Kes 73

被引：196

作者：

Vasisht, G ^{[1
]}

Gotthelf, EV ^{[1
]}

机构：

[1] NASA,GODDARD SPACE FLIGHT CTR,GREENBELT,MD 20771

来源：

ASTROPHYSICAL JOURNAL | 1997年 / 486卷 / 02期

基金：

美国国家航空航天局; 美国国家科学基金会;

关键词：

ISM; individual; (Kesteven; 73); pulsars; (1E; 1841-045); stars; magnetic fields; neutron; supernova remnants;

D O I：

10.1086/310843

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the discovery of pulsed X-ray emission from the compact source 1E 1841-045, using data obtained with the Advanced Satellite for Cosmology and Astrophysics. The X-ray source is located in the center of the small-diameter supernova remnant (SNR) Kes 73 and is very likely to be the compact stellar remnant of the supernova that formed Kes 73. The X-rays are pulsed with a period of similar or equal to 11.8 s and a sinusoidal modulation of roughly 30%. We interpret this modulation to be the rotation period of an embedded neutron star, and as such it would be the longest spin period for an isolated neutron star to date. This is especially remarkable since the surrounding SNR is very young, similar to 2000 yr old. We suggest that the observed characteristics of this object are best understood within the framework of a neutron star with an enormous dipolar magnetic field, B similar or equal to 8 x 10(14) G.

引用

页码：L129 / L132

页数：4

共 34 条

[1]

Baade W., 1934, PHYS REV, V45, P138

[2] Pulse frequency changes of 1E 2259+586 and the binary interpretation [J].