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HD 66814


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The VELA star cloud. I - NGC 2547, TR 10, the Gamma Velorum system, and bright stars
The first results of an intermediate-band, large-scale photometricsurvey of the Vela star cloud are discussed. Attention is given to theluminosity and reddening, as well as the apparent or proper motions ofall the CPD stars near NGC 2547, the brightest stars in Trumpler 10, arandom selection of stars in the region of Gamma Velorum, and the HRstars. The similarity of the Alpha Persei cluster with the clusters inthe Vela sheet is shown, and it is found that the Vela sheet, at leastover the region surveyed, is nearly perpendicular to the line of sight.The probability is demonstrated that a thin sheet of coeval (2.5 x 10 tothe 7th yr) stars, some 425 pc distant and with a similar metalabundance, lies in front of a dense dark cloud.

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观测天体数据

星座:船尾座
右阿森松:08h03m13.81s
赤纬:-46°16'56.9"
视星:8.071
距离:191.939 天文距离
右阿森松适当运动:-4.3
赤纬适当运动:25
B-T magnitude:8.683
V-T magnitude:8.122

目录:
适当名称   (Edit)
HD 1989HD 66814
TYCHO-2 2000TYC 8135-3440-1
USNO-A2.0USNO-A2 0375-04643823
HIPHIP 39396

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