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Owens Valley Radio Observatory (OVRO)




Owens Valley Radio Astronomy Observatory
The radio astronomy observatory of the California Institute of Technology, located near Bishop, California, about 400 km north of Los Angeles on the east side of the Sierra Nevada, at an altitude of 1,220 m. Its main instruments are: the Millimeter-Wavelength Array, a new interferometer array of six high-accuracy radio telescopes, each 10.4 m in diameter and moveable along a T-shaped railroad track to give the equivalent resolution of a single 300-m dish; the 40-Meter Telescope, a single dish built in 1965; and the Solar Array, consisting of two 27-m telescopes, dating from 1960, that is now used as an interferometer for studying magnetic field variations on the Sun.


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   • OBSERVATORIES AND TELESCOPES