大质量恒星中磁场的入射：MiMeS巡天部分综述
The Incidence of Magnetic Fields in Massive Stars: An Overview of the MiMeS Survey Component
摘要：
由于已知的磁性大质量恒星为数不多，我们对磁场对恒星演化的影响的认识范围存在着令人不安的缺陷，而且几乎没有经验基础来理解磁场如何改变大质量恒星的质量损失和旋转。最值得注意的是，关于这些场的起源物理学仍然没有坚实的共识-无论它们是化石遗迹，还是由同期发电机产生的，或者这些机制的某种组合。本文将概述MiMeS大型计划的巡天部分，其主要目标是在大质量恒星（光谱类型为B3和更热的恒星）的圆偏振测量中搜索塞曼签名，这些恒星以前不知道有任何磁场。到目前为止，MiMeS合作已经收集了超过550个高分辨率的光谱偏振观测与ESPaDONS和Narval的近170个不同的恒星，从中我们已经发现了14个新的磁星。
英文摘要：
With only a handful of known magnetic massive stars, there is a troubling deficit in the scope of our knowledge of the influence of magnetic fields on stellar evolution, and almost no empirical basis for understanding how fields modify mass loss and rotation in massive stars. Most remarkably, there is still no solid consensus regarding the origin physics of these fields - whether they are fossil remnants, or produced by contemporaneous dynamos, or some combination of these mechanisms. This article will present an overview of the Survey Component of the MiMeS Large Programs, the primary goal of which is to search for Zeeman signatures in the circular polarimetry of massive stars (stars with spectral types B3 and hotter) that were previously unknown to host any magnetic field. To date, the MiMeS collaboration has collected more than 550 high-resolution spectropolarimetric observations with ESPaDOnS and Narval of nearly 170 different stars, from which we have discovered 14 new magnetic stars.
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