Periodic nulls in pulsar B1133+16

被引：0

作者：

Herfindal, Jeffrey L. ^{[1
]}

Rankin, Joanna M. ^{[1
]}

机构：

[1] Univ Vermont, Dept Phys, Burlington, VT 05405 USA

来源：

40 YEARS OF PULSARS: MILLISECOND PULSARS, MAGNETARS AND MORE | 2007年 / 983卷

关键词：

miscellaneous; methods; data analysis; pulsars; general; individual; (B1133+16); periodicities;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Numerous studies of the brightest Cambridge pulsar, B1133+16, have revealed little order in its individual pulses, apart from a weak 30-odd-rotation-period fluctuation feature and that some 15% of the star's pulsars are "nulls." New Arecibo observations confirm this fluctuation feature and that it modulates all the emission, not simply the "saddle" region. By replacing each pulse with a scaled version of the average profile we were able to quench all subpulse modulation and thereby demonstrate that the star's "null" pulses exhibit a similar periodicity. An unabridged analysis of periodic nulling (using the techniques in this paper) in pulsar B1133+16 is in Herfindal & Rankin (2007).

引用

页码：82 / 84

页数：3

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