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About: Astronomical optical interferometry     Goto   Sponge   NotDistinct   Permalink

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Type: yago:Artifact100021939yago:Device103183080yago:Instrument103574816yago:Instrumentality103575240yago:Interferometer103578981yago:MeasuringInstrument103733925yago:Object100002684yago:PhysicalEntity100001930yago:WikicatInterferometersyago:Whole100003553 New Facet based on Instances of this Class

In optical astronomy, interferometry is used to combine signals from two or more telescopes to obtain measurements with higher resolution than could be obtained with either telescopes individually. This technique is the basis for astronomical interferometer arrays, which can make measurements of very small astronomical objects if the telescopes are spread out over a wide area. If a large number of telescopes are used a picture can be produced which has resolution similar to a single telescope with the diameter of the combined spread of telescopes. These include radio telescope arrays such as VLA, VLBI, SMA, LOFAR and SKA, and more recently astronomical optical interferometer arrays such as COAST, NPOI and IOTA, resulting in the highest resolution optical images ever achieved in astronomy.