射电脉冲星周期跃变研究的进展

王　娜1,2,3　　吴鑫基1,3

(1 北京大学天文系　北京　100871)

(2 中国科学院乌鲁木齐天文站　乌鲁木齐　830011)

(3 中国科学院--北京大学联合天体物理中心　北京　100871)

摘　　　要

射电脉冲星周期跃变被认为是研究中子星内部结构和状态的极好探 针。脉冲星高频巡天发现了一批年青脉冲星，脉冲星周期跃变的观测研究 也有了飞快进展。至少发现了25颗有跃变现象的脉冲星(简称跃变脉冲星)和76 次跃变事件。PSR J0835-4510 是目前已有跃变脉冲星中跃变活动参数最高 的,PSR J1341-6220的跃变活动最频繁，而PSR J1614-5047在1995年发 生的跃变是规模最大的。不同脉冲星的跃变事件的恢复过程很不相同。

Glitch of the Radio Pulsars

Wang Na1,2,3 Wu Xinji1,3

(1 Astronomy Department, Peking University, Beijing 100871)

(2 Urumqi Astronomical Observatory, Chinese Academy of Sciences, Urumqi, 830011)

(3 Chinese Academy of Sciences--Peking University Joint Beijing Astrophysics Center, Beijing 100871)

Abstract

The glitch of radio pulsars is excellent probe for investigating the interior structure and state of neutron stars. A much larger sample of young pulsars were discovered with relatively high-freguency survers and at least 76 glitches are found in 25 pulsars. Among them PSR J0835-4510 suffers many giant glitches. 12 glitches in PSR J1341--6220 make it the most frequently glitching pulsar known so far. The largest known glitch in PSR J1614--5047 occured in 1995. The post--glitch relaxation varies from pulsar to pulsar.

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