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Orthogonal pulsars as a key test for pulsar evolution

Monthly Notices of the Royal Astronomical Society. 2020. Vol. 494. No. 3. P. 3899–3911.
Novoselov E. M., Beskin V. S., Galishnikova A. K., Rashkovetskii M. M., Biryukov A.

At present, there is no direct information about evolution of inclination angle χ between magnetic and rotational axes in radio pulsars. As to theoretical models of pulsar evolution, they predict both the alignment, I.e. evolution of inclination angle χ to 0°, and its counter-alignment, I.e. evolution to 90°. In this paper, we demonstrate that the statistics of interpulse pulsars can give us the key test to solve the alignment/counter-alignment problem as the number of orthogonal interpulse pulsars (χ ≍ 90°) drastically depends on the evolution trajectory.

Research target: Physics
Language: English
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Keywords: пульсарыneutron starsнейтронные звездыradio pulsarshigh energy astrophysicsастрофизика высохих энергий
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