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HD 189706

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Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Subtittle: Radial velocities: The Wilson-Evans-Batten catalogue. We give a common version of the two catalogues of Mean Radial Velocitiesby Wilson (1963) and Evans (1978) to which we have added the catalogueof spectroscopic binary systems (Batten et al. 1989). For each star,when possible, we give: 1) an acronym to enter SIMBAD (Set ofIdentifications Measurements and Bibliography for Astronomical Data) ofthe CDS (Centre de Donnees Astronomiques de Strasbourg). 2) the numberHIC of the HIPPARCOS catalogue (Turon 1992). 3) the CCDM number(Catalogue des Composantes des etoiles Doubles et Multiples) byDommanget & Nys (1994). For the cluster stars, a precise study hasbeen done, on the identificator numbers. Numerous remarks point out theproblems we have had to deal with.
Interstellar extinction in Cygnus between the Orion and Sagittarius spiral arms Not Available
La mesure des vitesses radiales au prisme objectif. XIII. 6ème liste de vitesses radiales déterminées au prisme objectif à vision directe Not Available

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Observation and Astrometry data

Constellation:	はくちょう座
Right ascension:	20^h00^m19.24^s
Declination:	+29Â°49'17.5"
Apparent magnitude:	7.759
Distance:	255.102 parsecs
Proper motion RA:	4
Proper motion Dec:	-0.5
B-T magnitude:	7.668
V-T magnitude:	7.752

Catalogs and designations:

Proper Names	(Edit)
HD 1989	HD 189706
TYCHO-2 2000	TYC 2153-1734-1
USNO-A2.0	USNO-A2 1125-14860978
HIP	HIP 98467

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