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On the mode switching timescales of pulsar PSR B0329+54

Published online by Cambridge University Press:  20 March 2013

Hong-Guang Wang ,
Jian-Ling Chen ,
Zhi-Gang Wen  and
Fei-Peng Pi
Hong-Guang Wang
Affiliation:
Center for Astrophysics, Guangzhou University, High Education Mega Center, Guangzhou 510006, Guangdong, China email: [email protected]
Jian-Ling Chen
Affiliation:
Department of Physics & Electronic Engineering, Yuncheng UniversityYuncheng 044000, Shanxi, China
Zhi-Gang Wen
Affiliation:
Xingjiang Astronomical Observatory, Urumqi 830011, Xingjiang, China
Fei-Peng Pi
Affiliation:
Center for Astrophysics, Guangzhou University, High Education Mega Center, Guangzhou 510006, Guangdong, China email: [email protected]
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Abstract

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Chen et al. (2011) found that the durations (timescales) of the normal and abnormal modes of PSR B0329+54 follow a gamma distribution, and constrained the parameters of the distribution function. In this paper, we perform a further analysis on the relationship between the timescales of the two modes. The ratio between the durations of a normal mode and the succeeding abnormal mode is calculated for 54 such pairs. It is found that the cumulative distribution function (CDF) of the ratio is consistent with the CDF obtained by assuming random mode switching, suggesting that the two modes work independently.

Keywords

Pulsarsemission mechanismmode switching
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S291: Neutron Stars and Pulsars: Challenges and Opportunities after 80 years , August 2012 , pp. 549 - 551
Copyright
Copyright © International Astronomical Union 2013

References

Chen, J. L., Wang, H. G., Wang, N.et al. 2011, ApJ, 741, 48CrossRefGoogle Scholar
Lyne, A. G., Hobbs, G., Kramer, M., Stairs, I., & Stappers, B. 2010, Science, 329, 408Google Scholar