Known as the First Point of Aries , it is now in the constellation Pisces, due to precession of the equinoxes. Currently migrating toward March 19, due to precession. Modifying data through the view also modifies it in the underlying object. This view object is set to unity, which changes the underlying Matrix. The virtual address space is usually divided into pages of 2 bytes .
Virtual memory is usually much larger than physical memory.
Paging allows the excess to be stored on disk and copied to RAM as needed, so that programs can be run whose memory requirements for code and data together exceed the amount of RAM available. Performance depends strongly on how a program's memory access pattern interacts with the paging scheme. This approximation, valid in the limit of small fields of view, is the basis of image formation by aperture synthesis . A correlating-type radio interferometer is an instrument for sampling local averages of the visibility function. VisSet A view of data for interferometric data that presents a sufficient interface for imaging applications.