The Devil Star: Analyzing Data from the Massive Magnetic Star HD66665
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The magnetic massive star named tau Sco (Fig. 1) was unique with its unusually complex magnetic field until two other stars were discovered with similar light spectra, HD63425 and HD66665 (aka the “Devil star”). Dr. Petit et al. determined many properties of these clones, including the presence of a magnetic field. It has yet to be determined if the fields are as complex, however, and I am analyzing spectro-polarimetric data to answer this question. The purpose of studying these magnetic fields is to discover if they are causing the stellar wind anomalies observed in UV and X-rays coming from tau Sco.