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arxiv: 1206.5163 · v2 · submitted 2012-06-22 · 🌌 astro-ph.SR

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The MiMeS Survey of Magnetism in Massive Stars

G. A. Wade , J. H. Grunhut , the MiMeS Collaboration
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classification 🌌 astro-ph.SR
keywords starsmagneticfieldsmassivemimeslargemagnetismobservations
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The Magnetism in Massive Stars (MiMeS) survey represents a high precision systematic search for magnetic fields in hot, massive OB stars. To date, MiMeS Large Programs (ESPaDOnS@CFHT, Narval@TBL, HARPSpol@ESO3.6) and associated PI programs (FORS@VLT) have yielded nearly 1200 circular spectropolarimetric observations of over 350 OB stars. Within this sample, 20 stars are detected as magnetic. Follow-up observations of new detections reveals (i) a large diversity of magnetic properties, (ii) evidence for magnetic wind confinement in optical spectra of all magnetic O stars, (iii) the presence of strong, organized magnetic fields in all known Galactic Of?p stars, and (iv) a complete absence of magnetic fields in classical Be stars.

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