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HD 201640

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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.
Large and kinematically unbiased samples of G- and K-type stars. V - Evolved stars in the selected areas at + 15-deg declination Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1990PASP..102..242E&db_key=AST
Photoelectric radial velocities. IV. 528 7 to 10 mag stars in the +15degree selected areas. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1971MNRAS.155....1G&db_key=AST

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Osservazione e dati astrometrici

Costellazione:	Pegaso
Ascensione retta:	21^h10^m28.86^s
Declinazione:	+15Â°15'09.1"
Magnitudine apparente:	8.067
Distanza:	636.943 parsec
Moto proprio RA:	-6.8
Moto proprio Dec:	-10.9
B-T magnitude:	9.995
V-T magnitude:	8.227

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 201640
TYCHO-2 2000	TYC 1649-2017-1
USNO-A2.0	USNO-A2 1050-19281149
HIP	HIP 104531

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