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HD 225275


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Radial-velocity measurements. V - Ground support of the HIPPARCOS satellite observation program
The paper presents data on 1070 radial velocity measurements of starsdistributed in 39 fields measuring 4 deg x 4 deg. The PPO series ofFehrenbach et al. (1987) and Duflot et al. (1990) is continued using theFehrenbach objective prism method.

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.

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观测天体数据

星座:仙后座
右阿森松:00h04m54.08s
赤纬:+52°14'56.2"
视星:8.713
距离:268.097 天文距离
右阿森松适当运动:12.3
赤纬适当运动:-3.6
B-T magnitude:8.816
V-T magnitude:8.722

目录:
适当名称   (Edit)
HD 1989HD 225275
TYCHO-2 2000TYC 3258-1964-1
USNO-A2.0USNO-A2 1350-00092108
HIPHIP 397

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