Reflection of positron radiation from star surface and shift of inter pulse position in Crab pulsar

Author:

Kontorovich V.1,Trofymenko S.2

Affiliation:

1. Institute of Radio Astronomy NAS of Ukraine

2. Akhiezer Institute for Theoretical Physics of NSC KIPT

Abstract

The pulsed radiation from the Crab pulsar consists of the main pulse (MP) and inter pulse (IP), as well as of the extra pulse components appearing at certain frequencies. It has been studied in many frequencies and contains unique information, which is not available for the majority of the pulsars. One of the mysteries of these data, found by Moffett and Hankins twenty years ago, is the shift of the IP at high radio frequencies compared to lower ones and return to its previous position in the more high-frequency optical and X-ray range. We propose the explanation of these mysterious changes with the frequency as a reflection of radiation by relativistic positrons from the stellar surface. The magnetic field of the pulsar in the pole must be inclined to the surface of the star and affects on the discussed processes.

Funder

Ministry of Education and Science of Ukraine

Publisher

Taras Shevchenko National University of Kyiv

Reference28 articles.

1. Akhiezer A. I. & Shul’ga N. F. 1996, ‘High-Energy Electrodynamics in Matter’, Gordon and Breach Publ., Amsterdam

2. Arons J. 2008, in Springer Lecture Notes ‘Neutron Stars and Pulsars, 40 years after’, ed.: BeckerW., Berlin, Heidelberg; Springer-Verlag, [arXiv:0708.1050]

3. Barsukov D. P., Goglichidze O. A. & Tsygan A. I. 2016, Astronomy Reports, 60, 586

4. Beskin V. S. 2010, ‘MHD Flows in Compact Astrophysical Objects’, Springer

5. Braithwaite J. 2009, MNRAS, 397, 763

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Half-bare positron in the inner gap of a pulsar;Advances in Astronomy and Space Physics;2017

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