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HD 184787


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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.

Determination of the Unique Period for the Ap-Star HD184905
Abstract image available at:http://adsabs.harvard.edu/abs/1987PASP...99..852B

Photoelectric observations of the AP stars HD 125248, HD 134793 and HD 184905.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1978A&AS...31..205B&db_key=AST

Photoelectric Observations of HD 184905 and HD 134793
Not Available

Investigations of the light variation of twelve AP stars in ten spectral regions
Twelve Ap stars of known period and large amplitude were photometricallyinvestigated with the seven-color system based on glass filtersaccording to Straizys (1971) supplemented by three Schott filtercombinations in the red (total range 3400 to 7600 A). The light curvesfor each spectral range are presented, and some conclusions regardingthe importance of the data for possible model representations of theatmospheres of magnetic stars are set forth.

Photoelectric investigations of the four Ap-stars HD 9531, HD 10221, HD 27309, and HD 184905
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观测天体数据

星座:天鵝座
右阿森松:19h34m18.19s
赤纬:+41°55'38.0"
视星:6.674
距离:140.845 天文距离
右阿森松适当运动:13.6
赤纬适当运动:-8.5
B-T magnitude:6.666
V-T magnitude:6.674

目录:
适当名称   (Edit)
HD 1989HD 184787
TYCHO-2 2000TYC 3143-184-1
USNO-A2.0USNO-A2 1275-11702440
HIPHIP 96252

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