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		| Paper: | 
		Radio Evidence on the Mass Loss Bistability Jump | 
	 
	
		| Volume: | 
		388, Mass Loss from Stars and the Evolution of Stellar Clusters | 
	 
	
		| Page: | 
		141 | 
	 
	
		| Authors: | 
		Benaglia, P.; Marté, J.; Maéz-Apellániz, J.; Koribalski, B.; Johnston, S. | 
	 
	
	
		| Abstract: | 
		We present the results of a first campaign of radio continuum observations toward supergiants with spectral types in the range O8 - B3. Three targets out of twelve were detected with the ATCA and the VLA. The measured fluxes and the upper limits yielded values of the stellar mass-loss rates dM/dt and the wind efficiencies. The comparison of predicted and derived values of dM/dt shows a good agreement. | 
	 
	
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