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Abstract <p>The values of proper motions and distances for 21 radio pulsars with age of τ &lt; 10<sup>5</sup> years and distances to the known supernova remnants (SNRs) to search for the possible genetic relation between these objects have been used. It has been shown that the distributions of pulsar velocities <i>V</i><sub>trans</sub> for pulsars with τ&#xa0;&lt;&#xa0;10<sup>5</sup> years and τ &gt; 10<sup>5</sup> years and mean values of <i>V</i><sub>trans</sub> in these samples do not differ significantly. This means that the gravitational potential of Galaxy and the interstellar medium do not affect significantly the movement of pulsars. Angular distances of pulsars from their expected parent SNRs have been estimated. For 20&#xa0;pulsars with age of τ &lt; 10<sup>5</sup> years, the possible native SNRs have been found. The associations with SNRs have been indicated already for 13 of them in the ATNF catalog. For seven radio pulsars, such associations have been found for the first time.</p>

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On the Possible Genetic Relation of Single Radio Pulsars with the Known Supernova Remnants

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • Z. V. Ken’ko,
  • I. F. Malov

摘要

Abstract

The values of proper motions and distances for 21 radio pulsars with age of τ < 105 years and distances to the known supernova remnants (SNRs) to search for the possible genetic relation between these objects have been used. It has been shown that the distributions of pulsar velocities Vtrans for pulsars with τ < 105 years and τ > 105 years and mean values of Vtrans in these samples do not differ significantly. This means that the gravitational potential of Galaxy and the interstellar medium do not affect significantly the movement of pulsars. Angular distances of pulsars from their expected parent SNRs have been estimated. For 20 pulsars with age of τ < 105 years, the possible native SNRs have been found. The associations with SNRs have been indicated already for 13 of them in the ATNF catalog. For seven radio pulsars, such associations have been found for the first time.