The MiMeS Survey of Magnetism in Massive Stars

2012/06/22 by G. A. Wade, Wade, G. A., J. H. Grunhut +3 · 1 citation
Physics and Astronomy · #FOS: Physical sciences #Solar and Stellar Astrophysics (astro-ph.SR) #astro-ph.SR

paper · pdf · doi:10.48550/arxiv.1206.5163

Proceedings of "Circumstellar dynamics at high resolution", Iguacu, Brazil, Feb. 2012

arxiv created 2012/06/25 · arxiv updated 2012/06/26

Abstract

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, [email protected]) 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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