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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
Not Available

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Dades d'Observació i Astrometria

Constel·lació:Cygnus
Ascensió Recta:19h34m18.19s
Declinació:+41°55'38.0"
Magnitud Aparent:6.674
Distancia:140.845 parsecs
Moviment propi RA:13.6
Moviment propi Dec:-8.5
B-T magnitude:6.666
V-T magnitude:6.674

Catàlegs i designacions:
Noms Propis
HD 1989HD 184787
TYCHO-2 2000TYC 3143-184-1
USNO-A2.0USNO-A2 1275-11702440
HIPHIP 96252
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