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HD 110903


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Inaccuracies in the spectral classification of stars from the Tycho-2 Spectral Type Catalogue
We compare the spectroscopic and trigonometric parallaxes of commonstars from the Tycho-2 Spectral Type and Hipparcos Catalogues. Thiscomparison has revealed that the distance estimations for theoverwhelming majority of stars by both methods yield very similarresults. However, there is a small fraction of stars for which thedistance estimates differ significantly. It is these stars that are thesubject of our study. We have been able to find the causes of thesedifferences.

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观测天体数据

星座:半人馬座
右阿森松:12h45m39.22s
赤纬:-37°49'14.7"
视星:8.236
距离:218.341 天文距离
右阿森松适当运动:5.5
赤纬适当运动:0.3
B-T magnitude:9.882
V-T magnitude:8.372

目录:
适当名称   (Edit)
HD 1989HD 110903
TYCHO-2 2000TYC 7771-556-1
USNO-A2.0USNO-A2 0450-14679584
HIPHIP 62271

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