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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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Observation and Astrometry data

Constellation:	Schwan
Right ascension:	19^h34^m18.19^s
Declination:	+41Â°55'38.0"
Apparent magnitude:	6.674
Distance:	140.845 parsecs
Proper motion RA:	13.6
Proper motion Dec:	-8.5
B-T magnitude:	6.666
V-T magnitude:	6.674

Catalogs and designations:

Proper Names	(Edit)
HD 1989	HD 184787
TYCHO-2 2000	TYC 3143-184-1
USNO-A2.0	USNO-A2 1275-11702440
HIP	HIP 96252

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