|   | 
				
					
	
		  | 
	 
	
		| Paper: | 
		Pulsations of Massive Stars | 
	 
	
		| Volume: | 
		465, Four Decades of Massive Star Research - A Scientific Meeting in Honor of Anthony J. Moffat | 
	 
	
		| Page: | 
		3 | 
	 
	
		| Authors: | 
		Moffat, A. F. J. | 
	 
	
	
		| Abstract: | 
		Intrinsic variability studies of massive stars have mostly concentrated on H-burning stars slightly later than O type, e.g. β Cep variables, slowly pulsating B-stars, Be stars. In this overview I will briefly examine all massive stars, including the more massive O stars and their descendants.  Of particular interest are the long strings of high-precision photometry that can now be obtained from space, in particular by the “humble” Canadian microsatellite MOST (Microvariability and Oscillations of STars) launched in 2003 and capable of reaching a large swath of the sky. | 
	 
	
		| 
			
			
		 | 
	 
	
		  | 
	 
 
					 
				 | 
				  |