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Is the wind of the Oe star HD 155806 magnetically confined?
Published online by Cambridge University Press: 12 July 2011
Abstract
Spectropolarimetric observations of HD 155806 – the hottest Galactic Oe star – were obtained with CFHT/ESPaDOnS to test the hypothesis that disk signatures in its spectrum are due to magnetic channeling and confinement of its stellar wind. We did not detect a dipole field of sufficient strength to confine the wind, and could not confirm previous reports of a magnetic detection. It appears that stellar magnetism is not responsible for producing the disk of HD 155806.
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- Copyright © International Astronomical Union 2011
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