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HD 130922


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A photometric study of wide visual double stars. III - Wide visual double stars with F-type primaries
Fifty-one wide visual double stars with F-type primaries have beenobserved in the uvby, H-beta system. MK class, color excess, absolutemagnitude, effective temperature and distance have been derived fromcalibrations of the above systems. From the distances derived here andthe astrometric data, taken from the literature, it appears that atleast 75 percent of them can be 'physical pairs'. Nevertheless, about 33percent of the double stars in this sample seem to have a realseparation of their components larger than 0.01 parsecs. That means thatthese stars are not gravitationally bound, but they have a commonorigin. For this season, the values of their astrophysical parametersare usually very close together.

Walraven photometry of nearby southern OB associations
Homogeneous Walraven (VBLUW) photometry is presented for 5260 stars inthe regions of five nearby southern OB associations: Scorpio Centaurus(Sco OB2), Orion OB1, Canis Major OB1, Monoceros OB1, and Scutum OB2.Derived V and (B - V) in the Johnson system are included.

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观测天体数据

星座:半人馬座
右阿森松:14h51m40.29s
赤纬:-30°52'41.8"
视星:8.229
距离:121.065 天文距离
右阿森松适当运动:-59.6
赤纬适当运动:-70.8
B-T magnitude:8.761
V-T magnitude:8.273

目录:
适当名称   (Edit)
HD 1989HD 130922
TYCHO-2 2000TYC 7298-488-1
USNO-A2.0USNO-A2 0525-18221419
HIPHIP 72684

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