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- Le Navy Precision Optical Interferometer (NPOI) (en français : interféromètre optique de précision de la Navy) est un interféromètre optique à longue base géré par l'observatoire naval des États-Unis, le Naval Research Laboratory et l'observatoire Lowell. L'installation est située à Anderson Mesa, à environ 15 miles au sud-est de Flagstaff dans l'Arizona. Jusqu'en novembre 2011, il était appelé Navy Prototype Optical Interferometer (NPOI). Ensuite, l'instrument a été temporairement rebaptisé Navy Optical Interferometer, puis de manière définitive, le Kenneth J. Johnston Navy Precision Optical Interferometer (NPOI) -- traduisant à la fois la maturité opérationnelle de l'installation et rendant hommage à son fondateur et utilisateur principal, le Dr. Kenneth J. Johnston. À ce jour, il est l'instrument astronomique ayant produit les images en optique avec la meilleure résolution (ceci changera sûrement quand CHARA array et Observatoire Magdalena Ridge entreront en service). Le premier objet astronomique observé par NPOI était l'étoile Mizar. (fr)
- The Navy Precision Optical Interferometer (NPOI) is an American astronomical interferometer, with the world's largest baselines, operated by the Naval Observatory Flagstaff Station (NOFS) in collaboration with the Naval Research Laboratory (NRL) and Lowell Observatory. The NPOI primarily produces space imagery and astrometry, the latter a major component required for the safe position and navigation of all manner of vehicles for the DoD. The facility is located at Lowell's Anderson Mesa Station on Anderson Mesa about 25 kilometers (16 mi) southeast of Flagstaff, Arizona (US). Until November 2011, the facility was known as the Navy Prototype Optical Interferometer (NPOI). Subsequently, the instrument was temporarily renamed the Navy Optical Interferometer, and now permanently, the Kenneth J. Johnston Navy Precision Optical Interferometer (NPOI) – reflecting both the operational maturity of the facility, and paying tribute to its principal driver and retired founder, Kenneth J. Johnston. The NPOI project was initiated by the United States Naval Observatory (USNO) in 1987. Lowell joined the project the following year when the USNO decided to build the NPOI at Anderson Mesa. The first phase of construction was completed in 1994, which allowed the interferometer to see its first fringes, or light combined from multiple sources, that year. The Navy began regular science operations in 1997. The NPOI has been continuously upgraded and expanded since then, and has been operational for a decade. The workings of NPOI as a classic interferometer, are described at Scholarpedia, and at the NPOI site. (en)
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- The Navy Precision Optical Interferometer (NPOI) is an American astronomical interferometer, with the world's largest baselines, operated by the Naval Observatory Flagstaff Station (NOFS) in collaboration with the Naval Research Laboratory (NRL) and Lowell Observatory. The NPOI primarily produces space imagery and astrometry, the latter a major component required for the safe position and navigation of all manner of vehicles for the DoD. The facility is located at Lowell's Anderson Mesa Station on Anderson Mesa about 25 kilometers (16 mi) southeast of Flagstaff, Arizona (US). Until November 2011, the facility was known as the Navy Prototype Optical Interferometer (NPOI). Subsequently, the instrument was temporarily renamed the Navy Optical Interferometer, and now permanently, the Kenneth J (en)
- Le Navy Precision Optical Interferometer (NPOI) (en français : interféromètre optique de précision de la Navy) est un interféromètre optique à longue base géré par l'observatoire naval des États-Unis, le Naval Research Laboratory et l'observatoire Lowell. L'installation est située à Anderson Mesa, à environ 15 miles au sud-est de Flagstaff dans l'Arizona. Jusqu'en novembre 2011, il était appelé Navy Prototype Optical Interferometer (NPOI). Ensuite, l'instrument a été temporairement rebaptisé Navy Optical Interferometer, puis de manière définitive, le Kenneth J. Johnston Navy Precision Optical Interferometer (NPOI) -- traduisant à la fois la maturité opérationnelle de l'installation et rendant hommage à son fondateur et utilisateur principal, le Dr. Kenneth J. Johnston. (fr)
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- Navy Precision Optical Interferometer (fr)
- Navy Precision Optical Interferometer (en)
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