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Books > Science & Mathematics > Astronomy, space & time > Theoretical & mathematical astronomy
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Diffraction-Limited Imaging with Very Large Telescopes (Hardcover, 1989 ed.)
Loot Price: R3,937
Discovery Miles 39 370
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Diffraction-Limited Imaging with Very Large Telescopes (Hardcover, 1989 ed.)
Series: NATO Science Series C, 274
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A few years ago, a real break-through happened in observational
astronomy: the un derstanding of the effect of atmospheric
turbulence on the structure of stellar images, and of ways to
overcome this dramatic degradation. This opened a route to
diffraction-limited observations with large telescopes in the
optical domain. Soon, the first applications of this new technique
led to some outstanding astrophysical results, both at visible and
infrared wavelengths. Yet, the potential of interferometric
observations is not fully foreseeable as the first long-baseline
arrays of large optical telescopes are being built or
cOIIllnissioned right now. In this respect a comparison with the
evolution of radio-astronomy is tempting. From a situation where,
in spite of the construction of giant antennas, low angular
resolution was prevailing, the introduction of long baseline and
very long baseline interferometry and the rapid mastering of
sophisticated image reconstruction techniques, have brought on a
nearly routine basis high dynamic range images with milliarcseconds
resolution. This, of course, has completely changed our views of
the radio sky."
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