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Differential Frequency-dependent Delay from the Pulsar Magnetosphere

Abstract:

Some radio pulsars show clear drifting subpulses, in which subpulses are seen to drift in pulse longitude in a systematic pattern. Here we examine how the drifting subpulses of PSR B0809+74 evolve with time and observing frequency. We show that the subpulse period (P3) is constant on timescales of days, months and years, and between 14-5100 MHz. Despite this, the shapes of the driftbands change radically with frequency. Previous studies have concluded that, while the subpulses appear to move ...

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Publication status:
Published

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Publisher copy:
10.1051/0004-6361/201220764

Authors


Hassall, TE More by this author
Stappers, BW More by this author
Weltevrede, P More by this author
Hessels, JWT More by this author
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Journal:
ASTRONOMY and ASTROPHYSICS
Volume:
552
Pages:
A61-A61
Publication date:
2013-02-10
DOI:
EISSN:
1432-0746
ISSN:
0004-6361
URN:
uuid:ee087a0d-5869-4eae-9fd1-54352d0a1c2d
Source identifiers:
384395
Local pid:
pubs:384395
Language:
English
Keywords:

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