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HD 211643

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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.
Delta a and Stroemgren photometry of stars in the Renson-catalogue of AP and AM stars We have observed 131 stars of \cite[Renson's (1991)]{re91} catalogue ofAp and Am stars both in the Stroemgren & Maitzen's (1976) Delta asystem as a contribution to the photometric studies of the lambda 5200broad band flux depression feature in chemically peculiar stars. Withfew exceptions the probability grouping of Renson for membership in theCP2 group of peculiar stars is nicely reflected by peculiar values ofDelta a. Comparison with already available Delta a values yieldsslightly larger values due to a minor shift in the filter g_1 samplingthe depression. As found by \cite[Maitzen & Vogt (1983)]{ma83} theGeneva system peculiarity parameters correlate well with Delta a. Thisstudy demonstrates the advantageous performance of a photoelectricphotometer with a rapidly rotating filter wheel moving in a stop and gomode. Tables 3 and 4 are also available in electronic form at the CDSvia anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html
UvbyHbeta_ photometry of main sequence A type stars. We present Stroemgren uvby and Hbeta_ photometry for a set of575 northern main sequence A type stars, most of them belonging to theHipparcos Input Catalogue, with V from 5mag to 10mag and with knownradial velocities. These observations enlarge the catalogue we began tocompile some years ago to more than 1500 stars. Our catalogue includeskinematic and astrophysical data for each star. Our future goal is toperform an accurate analysis of the kinematical behaviour of these starsin the solar neighbourhood.
Properties of AM stars in the Geneva photometric system Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980A&A....92..289H&db_key=AST
Polarization measurements of 313 nearby stars The linear polarization of 313 low galactic latitude stars has beenmeasured. With few exceptions all program stars have a spectral typelater than B9 and are within 600 parsec of the sun. 181 stars aresituated at the southern sky and 132 at the northern sky.
Multicolor photometry of metallic-line stars. III. A photometric catalogue Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974RMxAA...1..175M&db_key=AST
Catalogue of AM stars with known spectral types Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1973A&AS...10..385H&db_key=AST
Classification des spectres de 112 d'étoiles A et F dont 89 d'étoiles AM Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970A&AS....1....7B&db_key=AST
Observations spectrographiques d'etoiles A a spectre particulier et a raies metalliques. Not Available
Catalogue et bibliographie des étoiles A à spectre particulier - Deuxième supplément Not Available
Etude pour chaque champ de l'absorption et de la repartition des vitesses radiales EN fonction de la distance. Not Available
Catalogue et bibliographie des étoiles A à spectre particulier Premier supplément Not Available
Etude spectrophotométrique de quelques étoiles O,B et A dans Céphée Not Available
La mesure des vitesses radiales auprisme objectif. VI. -Liste des vitesses radiales déterminées au prisme objectif à vision directe Not Available

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观测天体数据

星座:	仙王座
右阿森松:	22^h17^m01.06^s
赤纬:	+56Â°10'35.8"
视星:	7.135
距离:	100.503 天文距离
右阿森松适当运动:	36.7
赤纬适当运动:	-25.7
B-T magnitude:	7.279
V-T magnitude:	7.147

目录:

适当名称
HD 1989	HD 211643
TYCHO-2 2000	TYC 3986-47-1
USNO-A2.0	USNO-A2 1425-13132198
HIP	HIP 110021

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