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Spectrogon US - Optical Filters 2024 LB

Barr Filters Used in Pan-STARRS

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WESTFORD, Mass., March 15, 2006 -- Barr Associates Inc., a maker of precision thin-film coatings and optical filters, was selected to provide large-area filters for the Pan-STARRS (Panoramic Survey Telescope and Rapid Response System) prototype telescope by the Institute of Astronomy at University of Hawaii. The filters will be 21 inches in diameter and will be used in four identical 1.8 meter telescopes that make up Pan-STARRS. Jeff Morgan, senior telescope engineer for Pan-STARRS, said, "The physical size of approximately 500 mm for the Pan-STARRS filters is unprecedented in astronomy."...Read full article

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    Published: March 2006
    Glossary
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    telescope
    An afocal optical device made up of lenses or mirrors, usually with a magnification greater than unity, that renders distant objects more distinct, by enlarging their images on the retina.
    astronomyBarr AssociatesBasic ScienceCoatingsenergyInstitute of AstronomyNews & Featuresoptical filtersPan-STARRStelescopethin-film coatingsUniversity of Hawaii

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