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HD 137589


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The Absolute Dimensions of the Overcontact Binary FI Bootis
UBVRCIC photometry of the W UMa eclipsing binaryFI Bootis has been obtained and analyzed simultaneously with previouslypublished photometry and radial velocities. The analysis of the lightand radial velocity curves shows that the system is an A-type W UMasystem consisting of stars with masses 0.82 and 0.31 Msolar.

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观测天体数据

星座:牧夫座
右阿森松:15h24m50.08s
赤纬:+51°12'36.9"
视星:8.873
距离:98.814 天文距离
右阿森松适当运动:-10.7
赤纬适当运动:1.6
B-T magnitude:9.477
V-T magnitude:8.923

目录:
适当名称   (Edit)
HD 1989HD 137589
TYCHO-2 2000TYC 3488-716-1
USNO-A2.0USNO-A2 1350-08621013
HIPHIP 75449

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