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HD 70987


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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.

A second list of wide visual binaries
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A second list of wide visual binaries
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观测天体数据

星座:天貓座
右阿森松:08h26m20.39s
赤纬:+37°32'43.3"
视星:8.691
距离:264.55 天文距离
右阿森松适当运动:-16.3
赤纬适当运动:-10.2
B-T magnitude:8.929
V-T magnitude:8.711

目录:
适当名称   (Edit)
HD 1989HD 70987
TYCHO-2 2000TYC 2974-2071-1
USNO-A2.0USNO-A2 1275-07272809
HIPHIP 41367

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