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HD 208459


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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:21h56m20.62s
赤纬:-04°45'22.9"
视星:7.565
距离:595.238 天文距离
右阿森松适当运动:3.6
赤纬适当运动:-3.8
B-T magnitude:9.654
V-T magnitude:7.738

目录:
适当名称   (Edit)
HD 1989HD 208459
TYCHO-2 2000TYC 5219-947-1
USNO-A2.0USNO-A2 0825-19485717
HIPHIP 108289

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