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HD 8413


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The distribution of G5-M stars in a region at the south galactic pole
A survey has been conducted of an 81-sq deg area at the south galacticpole (SGP) in order to study the late-type star distribution as afunction of distance from the galactic plane. Both spectral types andluminosity classes are obtained from objective-prism spectra, usingclassification criteria closely associated with the MK classificationsystem. The SGP data are compiled into a catalog of 2228 stars of typeG5 and later, to a limiting magnitude of V=13.5 mag. An analysis of thedensity distribution of both dwarfs and giants indicates that the numberof dwarfs, as a function of magnitude, appears inconsistent with theassumption of a uniform density distribution for these stars.

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观测天体数据

星座:鯨魚座
右阿森松:01h23m11.93s
赤纬:-14°06'47.2"
视星:9.087
右阿森松适当运动:92.4
赤纬适当运动:-8.5
B-T magnitude:9.873
V-T magnitude:9.152

目录:
适当名称   (Edit)
HD 1989HD 8413
TYCHO-2 2000TYC 5276-1226-1
USNO-A2.0USNO-A2 0750-00325723
HIPHIP 6466

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