Is the Wind of the Galactic Oe Star HD 155806 Magnetically Confined?

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