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Abstract <p>We continue to search for and analyze magnetic fields ofchemically peculiar stars in open clusters of different ages. Thepaper presents the analysis of the star clusters Trumpler&#xa0;37,NGC&#xa0;2281, and Melotte&#xa0;111. The observed data were obtained usingthe Main Stellar Spectrograph mounted on the 6-m telescope ofSAO&#xa0;RAS. No CP stars were found in the Trumpler&#xa0;37 cluster: allsix candidates turned out to be non-magnetic stars with strongemission lines in their spectra. In NGC&#xa0;2281, we observed only twostars, HD 49040 and HD 49363. Several magnetic stars with weakfields were discovered in the Melotte&#xa0;111 cluster. As a result, wedid not find stars with a strong (more than 1&#xa0;kG) longitudinalmagnetic field in any of the studied clusters.</p>

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Magnetic Fields of Chemically Peculiar Star in Clusters Trumpler 37, NGC 2281, and Melotte 111

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • I. I. Romanyuk,
  • A. V. Moiseeva,
  • E. P. Korchagina,
  • I. A. Yakunin,
  • V. N. Aitov

摘要

Abstract

We continue to search for and analyze magnetic fields ofchemically peculiar stars in open clusters of different ages. Thepaper presents the analysis of the star clusters Trumpler 37,NGC 2281, and Melotte 111. The observed data were obtained usingthe Main Stellar Spectrograph mounted on the 6-m telescope ofSAO RAS. No CP stars were found in the Trumpler 37 cluster: allsix candidates turned out to be non-magnetic stars with strongemission lines in their spectra. In NGC 2281, we observed only twostars, HD 49040 and HD 49363. Several magnetic stars with weakfields were discovered in the Melotte 111 cluster. As a result, wedid not find stars with a strong (more than 1 kG) longitudinalmagnetic field in any of the studied clusters.