RXTE observations of the anomalous pulsar 4U0142+61

被引：0

作者：

Dieters, S ^{[1
]}

Wilson, C ^{[1
]}

Finger, M ^{[1
]}

Scott, M ^{[1
]}

van Paradijs, J ^{[1
]}

机构：

[1] NASA, MSFC, Huntsville, AL 35816 USA

来源：

PROCEEDINGS OF THE FOURTH COMPTON SYMPOSIUM, PTS 1 AND 2: PT 1: THE COMPTON OBSERVATORY IN REVIEW; PT 2: PAPERS AND PRESENTATIONS | 1997年 / 410期

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D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have observed the X-ray pulsar X0142+61 using RXTE in March 1996. This pulsar is one of a small group that are either isolated pulsars or members of very compact, low mass binaries. The pulse period is measured as 8.68814(+/-9) sec with an upper limit of (P) over dot/P less than or equal to 8x10(-10) s/s upon the short term spin up/down rate. A compilation of all historical measurements show an overall spin down trend with an episode of more rapid spin up and down between 1984 and 1996. A search for orbital modulations in the pulse arrival times yielded an upper limit less than or equal to 0.28 It.sec. in a(x)sini over the interval 600 to 10(5) sec.

引用

页码：617 / 621

页数：5

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