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HD 74638


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Hyades and Sirius supercluster members brighter than magnitude (V) 7.1. II - Right ascension six to twelve hours
The present star sample is contained in the Bright Star Catalogue andits Supplement, augmented with a further supplement of 788 stars foundduring various observing programs over the past 40 years. Accurate,four-color and H-beta, or (RI), photometry is available for most of thesupercluster members. The criteria for membership are the comparisons ofthe proper motion, radial velocity, and luminosity obtained from thesupercluster parameters with the observed motions and the luminosityderived from the photometric parameters. New proper motions, based onall available catalogs, have been derived for the additional 788 starsdiscussed here, as well as all supercluster members.

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观测天体数据

星座:飛魚座
右阿森松:08h41m04.68s
赤纬:-66°48'58.7"
视星:6.686
距离:180.505 天文距离
右阿森松适当运动:-20.6
赤纬适当运动:6.4
B-T magnitude:6.593
V-T magnitude:6.679

目录:
适当名称   (Edit)
HD 1989HD 74638
TYCHO-2 2000TYC 8938-1811-1
USNO-A2.0USNO-A2 0225-04673904
HIPHIP 42613

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