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HD 202237


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관련 글

The S201 far-ultraviolet imaging survey. II - A field in Cygnus
Far-ultraviolet imagery of a region in Cygnus, a 20 deg diameter fieldcentered near (1950) R. A. 21 h 31.2 m decl. +37 deg 25 arcmin, wasobtained by the S201 far-ultraviolet camera during the Apollo 16mission. In a 10 minute exposure covering the 1250-1600 A wavelengthrange (effective wavelength 1400 A), 730 star images can be detected,corresponding to a limiting ultraviolet magnitude of about m (1400) =10. Assuming nominal interstellar extinction values in this region nearthe galactic plane, this result corresponds to the detection of A0 Vstars to a distance of 300 pc and of B0 V stars to 1500 pc.Uncertainties in spectral classification and interstellar extinction forindividual objects are probably more significant than calibration ormeasurement errors. Most of the objects detected are identified withstars in the Smithsonian Astrophysical Observatory Star Catalog (1966),or the Catalog of Stellar Identifications (1979) or both, but 87 objectsremain unidentified (or are identified with late-type stars).

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관측 및 측정 데이터

별자리:고니자리
적경:21h13m20.05s
적위:+40°27'27.5"
가시등급:8.946
거리:1428.571 파섹
적경상의 고유운동:2.1
적위상의 고유운동:-8.2
B-T magnitude:8.969
V-T magnitude:8.948

천체목록:
일반명   (Edit)
HD 1989HD 202237
TYCHO-2 2000TYC 3173-1708-1
USNO-A2.0USNO-A2 1275-15037035
HIPHIP 104754

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