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HD 121923


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A preliminary compilation of DS-programme star positions
A catalog is presented of the double-star-program (DS-program) starpositions, listing right ascensions for 930 DSs and declinations for1225 DSs of the program. The positions were compiled from the observedvalues obtained between 1980 and 1987 with the meridian circles of sixUSSR observatories (the Moscow, Kazan', Kiev, Khar'kov, Odessa, andTashkent Observatories) and the Belgrade Observatory. The measurementsand the treatment of the observational material were performed using therelative method, and the FK-4 system stars were used as reference stars.

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观测天体数据

星座:牧夫座
右阿森松:13h58m20.22s
赤纬:+10°08'04.6"
视星:8.022
距离:75.188 天文距离
右阿森松适当运动:-63.1
赤纬适当运动:-30.2
B-T magnitude:8.669
V-T magnitude:8.076

目录:
适当名称
HD 1989HD 121923
TYCHO-2 2000TYC 904-1098-1
USNO-A2.0USNO-A2 0975-07343877
HIPHIP 68251

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