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HD 207888


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Precise positions, separations, and position angles of visual binaries
Astrometric observations of 212 large visual binaries are reported. Dataobtained with a GG 495 yellow filter on IIaD photographic plates usingthe Zen astrograph (aperture 20 cm and focal length 2077 mm) of theOsservatorio Astronomico di Brera during 1985-1986 are presented inextensive tables. The potential significance of these measurements forthe catalog being constructed for the Hipparcos space observatory isindicated.

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观测天体数据

星座:寶瓶座
右阿森松:21h52m21.25s
赤纬:-03°10'28.8"
视星:6.594
距离:172.712 天文距离
右阿森松适当运动:21.3
赤纬适当运动:-9.1
B-T magnitude:6.543
V-T magnitude:6.59

目录:
适当名称   (Edit)
HD 1989HD 207888
TYCHO-2 2000TYC 5214-1340-1
USNO-A2.0USNO-A2 0825-19453758
HIPHIP 107962

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