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HD 1818


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Kinematic properties of supergiants in the Perseus spiral arm
Analysis of the space motions of supergiants in the Perseus arm regionindicates that the stellar peculiar-velocity field has a large-scalenonuniformity probably resulting both from the presence of sizablegroups of young stars and from systematic motions in the arm aspredicted by density-wave theory. Proper motions are tabulated for 78stars.

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观测天体数据

星座:杜鵑座
右阿森松:00h22m10.00s
赤纬:-61°17'50.7"
视星:7.839
距离:318.471 天文距离
右阿森松适当运动:34.6
赤纬适当运动:13
B-T magnitude:9.354
V-T magnitude:7.965

目录:
适当名称   (Edit)
HD 1989HD 1818
TYCHO-2 2000TYC 8840-1849-1
USNO-A2.0USNO-A2 0225-00099288
HIPHIP 1751

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