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HD 21971


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Pulkovo compilation of radial velocities for 35495 stars in a common system.
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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.

A second list of wide visual binaries
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A second list of wide visual binaries
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A Spectroscopic Study of NGC 188.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1964ApJ...140..673G&db_key=AST

Radial Velocities, Spectral Types, and Luminosity Classes of 820 Stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1950ApJ...112...48M&db_key=AST

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Observation and Astrometry data

Constellation:Καμηλοπάρδαλις
Right ascension:03h36m03.82s
Declination:+63°17'17.3"
Apparent magnitude:7.387
Distance:769.231 parsecs
Proper motion RA:5.1
Proper motion Dec:2.2
B-T magnitude:9.688
V-T magnitude:7.577

Catalogs and designations:
Proper Names
HD 1989HD 21971
TYCHO-2 2000TYC 4066-848-1
USNO-A2.0USNO-A2 1500-03248256
HIPHIP 16789
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