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Fig. 5


Optical spectra of the four classified early-type stars in RCW 36. The spectra of objects 2 and 10 are rebinned with 3 pixels. Overplotted in red are the best-fit model spectra: synthetic spectra from FASTWIND (objects 1, 3, and 10) and Munari et al. (2005, object 2). Only fitted profiles are shown for objects 1, 3, and 10. Note the emission component in the Hβ line of object 2, which probably originates in a disk or wind.

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