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Advances in our understanding of the free precession candidate PSR B1828-11

Published online by Cambridge University Press:  04 June 2018

G. Ashton ,
D. I. Jones  and
R. Prix
G. Ashton
Affiliation:
Max Planck Institut für Gravitationsphysik (Albert Einstein Institut) and Leibniz Universität Hannover, 30161 Hannover, DE email: gregory.ashton@ligo.org
D. I. Jones
Affiliation:
Mathematical Sciences, University of Southampton, Southampton SO17 1BJ, UK
R. Prix
Affiliation:
Max Planck Institut für Gravitationsphysik (Albert Einstein Institut) and Leibniz Universität Hannover, 30161 Hannover, DE email: gregory.ashton@ligo.org
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Abstract

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We highlight the advances and difficulties in understanding PSR B1828-11, which undergoes long-term periodic modulations in its timing and pulse shape over several years. A model comparison of precession and magnetospheric switching models based on the long-term modulation data favours the former; we discuss the implications of this in the context of short timescale switching observed in this pulsar. Furthermore, we highlight the difficulties this pulsar poses for our understanding of pulsars due to the increasing rate of the modulation period and its behaviour during a recent glitch.

Keywords

pulsars: individual (PSR B1828-11)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S337: Pulsar Astrophysics the Next Fifty Years , September 2017 , pp. 307 - 308
Copyright
Copyright © International Astronomical Union 2018 

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