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		| Paper: | 
		Using sub-aperture illumination to solve the short-spacing problem | 
	 
	
		| Volume: | 
		19, Radio Interferometry: Theory, Techniques, and Applications, IAU Colloquium 131 | 
	 
	
		| Page: | 
		81 | 
	 
	
		| Authors: | 
		Woody, David P.; Scoville, Nick Z.; Mundy, Lee G. | 
	 
	
	
		| Abstract: | 
		A common problem in producing interferometer maps of objects with structure on the scale-size of the primary beam is the acquisition of UV data corresponding to telescope spacings of less than one telescope diameter. One technique for solving this 'short-spacing' problem is to divide the aperture of one of the telescopes into smaller sub-apertures and measuring the visibilities between these sub-apertures. This technique is being tested using the Owens Valley Millimeter Interferometer. | 
	 
	
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