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HD 207117


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관련 글

Two-colour photometry for 9473 components of close Hipparcos double and multiple stars
Using observations obtained with the Tycho instrument of the ESAHipparcos satellite, a two-colour photometry is produced for componentsof more than 7 000 Hipparcos double and multiple stars with angularseparations 0.1 to 2.5 arcsec. We publish 9473 components of 5173systems with separations above 0.3 arcsec. The majority of them did nothave Tycho photometry in the Hipparcos catalogue. The magnitudes arederived in the Tycho B_T and V_T passbands, similar to the Johnsonpassbands. Photometrically resolved components of the binaries withstatistically significant trigonometric parallaxes can be put on an HRdiagram, the majority of them for the first time. Based on observationsmade with the ESA Hipparcos satellite.

Catalogue of proper motions in the declination of stars of the Moscow zenith zone.
Not Available

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관측 및 측정 데이터

별자리:케페우스자리
적경:21h45m00.43s
적위:+55°53'38.0"
가시등급:8.686
거리:458.716 파섹
적경상의 고유운동:26.3
적위상의 고유운동:4.6
B-T magnitude:9.967
V-T magnitude:8.792

천체목록:
일반명   (Edit)
HD 1989HD 207117
TYCHO-2 2000TYC 3971-31-1
USNO-A2.0USNO-A2 1425-12283125
HIPHIP 107383

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