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HD 186905


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A photometric study of wide visual double stars. IV - UVBY photometry of wide visual double stars with G-type primaries
We performed uvby aperture photometry of wide visual double stars withG-type primaries. The minimum angular separation of the components is 10arcsecs and mainly less than 20 arcsecs. As both components have oftensimilar photometric and astrophysical parameters, we infer that most ofthese double stars have components of common origin.

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观测天体数据

星座:天鷹座
右阿森松:19h46m46.09s
赤纬:+08°45'01.3"
视星:9.661
右阿森松适当运动:2.4
赤纬适当运动:2.9
B-T magnitude:10.443
V-T magnitude:9.726

目录:
适当名称   (Edit)
HD 1989HD 186905
TYCHO-2 2000TYC 1057-1449-1
USNO-A2.0USNO-A2 0975-16442357
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