论文标题
$δ$ Scuti Star HD \，41641的复杂化石磁场
The complex fossil magnetic field of the $δ$ Scuti star HD\,41641
论文作者
论文摘要
截至今天，只有三个磁性$δ$ scuti恒星。 HD 41641是$δ$ SCUTI星，显示其光曲线的化学特征和旋转调制，使其成为良好的磁性候选者。我们在TBL时以Narval的形式获得了该恒星的光谱观测，以搜索磁场的存在并表征它。我们确实清楚地发现了HD 41641中的磁场，使其成为第四个已知的磁性$Δ$ SCUTI星。我们的分析表明，该场是化石起源的，例如磁OBA恒星，但具有复杂的场结构，而不是更常见的偶极结构。
Only three magnetic $δ$ Scuti stars are known as of today. HD 41641 is a $δ$ Scuti star showing chemical peculiarities and rotational modulation of its light-curve, making it a good magnetic candidate. We acquired spectropolarimetric observations of this star with Narval at TBL to search for the presence of a magnetic field and characterize it. We indeed clearly detect a magnetic field in HD 41641, making it the fourth known magnetic $δ$ Scuti star. Our analysis shows that the field is of fossil origin, like magnetic OBA stars, but with a complex field structure rather than the much more usual dipolar structure.
