FUSE Observations of the Stellar Winds of Two O7 Supergiants in the   Magellanic Clouds
  We compare the stellar wind features in far-UV spectra of Sk -67 111, an O7 Ib(f) star in the LMC, with Sk 80, an O7 Iaf+ star in the SMC. The most striking differences are that Sk 80 has a substantially lower terminal velocity, much weaker O VI absorption, and stronger S IV emission. We have used line-blanketed, hydrodynamic, non-LTE atmospheric models to explore the origin of these differences. The far-UV spectra require systematically lower stellar temperatures than previous determinations for O7 supergiants derived from plane-parallel, hydrostatic models of photospheric line profiles. At these temperatures, the O VI in Sk -67 111 must be due primarily to shocks in the wind. 
A. W. Fullerton (UVic/JHU), P. A. Crowther, O. De Marco (UCL), J. B.   Hutchings (HIA/NRC), L. Bianchi (JHU), K. R. Brownsbe...