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		| Paper: | 
		Winds and the underlying physical parameters of hot stars - an observational approach | 
	 
	
		| Volume: | 
		7, Properties of Hot Luminous Stars: Boulder-Munich Workshop | 
	 
	
		| Page: | 
		294 | 
	 
	
		| Authors: | 
		Corcoran, M. F.; Heap, S. R. | 
	 
	
	
		| Abstract: | 
		The predicted values of wind terminal velocity calculated using the formalism of Kudritzki et al. (1989) are compared with observed values for 4 OB binaries with well determined component masses, radii, and temperatures. The aim is to derive the value of the force multiplier parameter alpha appropriate to the winds from these stars. | 
	 
	
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