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HD 83806


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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
Not Available

New optical positions and proper motions of late type stars associated with SiO masers
The 33 cm astrograph of the Bordeaux Observatory has been used to derivewith respect to AGK3 reference stars, accurate positions of late typevariable stars variable stars associated with strong SiO maser emission.It is suggested that selected maser stars can be used to link theHIPPARCOS system and the VLBI extragalactic reference frame. The propermotions of the program (SiO) and reference stars are derived and, forthe program stars, are compared to the McCormick catalog of propermotions.

Errata in Magnitudes of Stars in AGK3
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观测天体数据

星座:小獅座
右阿森松:09h41m52.96s
赤纬:+34°34'29.3"
视星:8.478
距离:209.205 天文距离
右阿森松适当运动:-18.5
赤纬适当运动:-17.4
B-T magnitude:8.75
V-T magnitude:8.501

目录:
适当名称   (Edit)
HD 1989HD 83806
TYCHO-2 2000TYC 2504-668-1
USNO-A2.0USNO-A2 1200-06367049
HIPHIP 47565

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