30 glitches in slow pulsars

Open Access
Authors
Publication date 2006
Journal Astronomy & Astrophysics
Volume | Issue number 457 | 2
Pages (from-to) 611-618
Organisations
  • Faculty of Science (FNWI) - Anton Pannekoek Institute for Astronomy (API)
Abstract
We have analyzed 5.5 years of timing observations of 7 "slowly" rotating radio pulsars, made with the Westerbork Synthesis Radio Telescope. We present improved timing solutions and 30, mostly small, new glitches. Particularly interesting are our results on PSR J1814-1744, which is one of the pulsars with similar rotation parameters and magnetic field strength to the Anomalous X-ray Pulsars (AXPs). Although the high-B radio pulsars do not show X-ray emission, and no radio emission is detected for AXPs, the roughly similar glitch parameters provide us with another tool to compare these classes of neutron stars. Furthermore, we were able to detect glitches one to two orders of magnitude smaller than before, for example in our well-sampled observations of PSR B0355+54. We double the total number of known glitches in PSR B1737-30, and improve statistics on glitch sizes for this pulsar individually and pulsars in general. We detect no significant variations in dispersion measure for PSRs B1951+32 and B2224+65, two pulsars located in high-density surroundings. We discuss the effect of small glitches on timing noise, and show it is possible to resolve timing-noise looking structures in the residuals of PSR B1951+32 by using a set of small glitches.
Document type Article
Note © EDP Sciences 2006
Language English
Published at https://doi.org/10.1051/0004-6361:20065267
Other links http://adsabs.harvard.edu/abs/2006A%26A...457..611J
Downloads
211529y.pdf (Final published version)
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