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Abstract <p>In this paper, the results of observations of the magnetar SGR 1935+2154 at a frequency of 111&#xa0;MHz with the BSA LPI radio telescope in the period from April 2021 to November 2024 have been presented. To search for both periodic and single pulses, data from six frequency channels with a time resolution of 0.1&#xa0;s, which are recorded in the reception band of <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11444_2025_1724_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="107" /> </InlineMediaObject> <EquationSource Format="TEX">\((110.25 \pm 1.25)\)</EquationSource> <!--AstEng2570222Fedorova-m1--> </InlineEquation> MHz, have been used. During data processing for the specified period, the upper limit, 250 mJy, of radio emission of the magnetar SGR 1935+2154 at a frequency of 111 MHz has been estimated.</p>

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Results of Monitoring of Magnetar SGR 1935+2154 for 2021–2024

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  • 发表日期：

    2025年10月1日

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  • V. A. Fedorova,
  • A. E. Rodin

摘要

Abstract

In this paper, the results of observations of the magnetar SGR 1935+2154 at a frequency of 111 MHz with the BSA LPI radio telescope in the period from April 2021 to November 2024 have been presented. To search for both periodic and single pulses, data from six frequency channels with a time resolution of 0.1 s, which are recorded in the reception band of \((110.25 \pm 1.25)\) MHz, have been used. During data processing for the specified period, the upper limit, 250 mJy, of radio emission of the magnetar SGR 1935+2154 at a frequency of 111 MHz has been estimated.