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HD 178484


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Spectral Classification of Stars in A Supplement to the Bright Star Catalogue
MK spectral types are given for about 584 stars in A Supplement to theBright Star Catalogue. These are compared with Hipparcos parallaxes tocheck the reliability of those classifications. The estimated errors are+/-1.2 subtypes, and 10% of the luminosity classes may be wrong.

Ca II H and K Filter Photometry on the UVBY System. II. The Catalog of Observations
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1995AJ....109.2828T&db_key=AST

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观测天体数据

星座:天鷹座
右阿森松:19h08m52.25s
赤纬:-02°17'13.9"
视星:6.595
距离:177.936 天文距离
右阿森松适当运动:12.7
赤纬适当运动:20.6
B-T magnitude:8.26
V-T magnitude:6.733

目录:
适当名称   (Edit)
HD 1989HD 178484
TYCHO-2 2000TYC 5133-811-1
USNO-A2.0USNO-A2 0825-14621618
HIPHIP 94053

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