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HD 198167


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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.

Radial velocities. Measurements of 2800 B2-F5 stars for HIPPARCOS
Radial velocities have been determined for a sample of 2930 B2-F5 stars,95% observed by the Hipparcos satellite in the north hemisphere and 80%without reliable radial velocity up to now. Observations were obtainedat the Observatoire de Haute Provence with a dispersion of 80Ä,mm(-1) with the aim of studying stellar and galactic dynamics.Radial velocities have been measured by correlation with templates ofthe same spectral class. The mean obtained precision is 3.0 km s(-1)with three observations. A new MK spectral classification is estimatedfor all stars. Based on observations made at the Haute ProvenceObservatory, France and on data from The Hipparcos Catalogue, ESA.Tables 4, 5 and 6 are only available in electronic form at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr or viahttp://cdsweb.u-strasbg.fr/Abstract.htm

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Observation and Astrometry data

Constellation:Δελφίνι
Right ascension:20h48m24.56s
Declination:+03°38'56.5"
Apparent magnitude:6.753
Distance:1052.632 parsecs
Proper motion RA:3.9
Proper motion Dec:2.4
B-T magnitude:6.644
V-T magnitude:6.744

Catalogs and designations:
Proper Names
HD 1989HD 198167
TYCHO-2 2000TYC 516-2311-1
USNO-A2.0USNO-A2 0900-19049330
HIPHIP 102680

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