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Time and Polarization Radiation Characteristics of PSR J0242+6256 at the Decameter Wavelength Range

  • PHYSICS OF STARS AND INTERSTELLAR MEDIUM
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Abstract

The characteristics of anomalously intense pulses of the pulsar J0242+6256 in the decameter wavelength range are studied in the paper. Observations were made using the Ukrainian T-shaped Radio telescope, second modification (UTR-2) in October 2014. The dispersion measure for the pulsar was refined. For the first time, such characteristics as the scattering time constant, scattering measure, and rotation measure towards the pulsar were determined. Also, the rapid changes in the rotation measure along the profiles of individual anomalously intense pulses were considered. The obtained characteristics show that, despite the small dispersion measure and the close arrangement to the Earth, the scattering measure towards the pulsar is large. Rapid changes in the rotation measure along the pulse profile of this pulsar are possibly due to the presence of a plasma with rapidly changing parameters near the pulsar.

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Authors and Affiliations

  1. Institute of Radio Astronomy of the National Academy of Sciences of Ukraine, 61002, Kharkiv, Ukraine

    O. M. Ulyanov, A. I. Shevtsova, V. V. Zakharenko, A. O. Skoryk, I. Y. Vasylieva & M. S. Plakhov

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  1. O. M. Ulyanov
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  2. A. I. Shevtsova
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  3. V. V. Zakharenko
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  4. A. O. Skoryk
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  5. I. Y. Vasylieva
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  6. M. S. Plakhov
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Correspondence to O. M. Ulyanov, A. I. Shevtsova or V. V. Zakharenko.

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Translated by E. Seifina

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Ulyanov, O.M., Shevtsova, A.I., Zakharenko, V.V. et al. Time and Polarization Radiation Characteristics of PSR J0242+6256 at the Decameter Wavelength Range. Kinemat. Phys. Celest. Bodies 34, 174–183 (2018). https://doi.org/10.3103/S0884591318040062

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