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HD 45452


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OU Gem and AT Cap in 1984/5
We present data on two active-chromosphere binaries: OU Gem (HD45088)and AT Cap (HD195040) from the mid 1980s. These data may help inunderstanding the long-term behaviour of these objects.

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.

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观测天体数据

星座:雙子座
右阿森松:06h28m17.85s
赤纬:+18°28'06.8"
视星:7.703
距离:694.444 天文距离
右阿森松适当运动:-4.6
赤纬适当运动:-4.6
B-T magnitude:9.202
V-T magnitude:7.827

目录:
适当名称   (Edit)
HD 1989HD 45452
TYCHO-2 2000TYC 1332-1726-1
USNO-A2.0USNO-A2 1050-03640045
HIPHIP 30801

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