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HD 190256


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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.

Empirical temperature calibrations for early-type stars
Three temperature calibrations of suitable photometric quantities havebeen derived for O and B stars. A sample of 120 stars with reliableT(eff.) determinations has been used for establishing each calibration.The different calibrations have been critically discussed and compared.Temperature determinations for 1009 program stars have been obtainedwith an accuracy of the order of 10 percent.

Etude pour chaque champ de l'absorption et de la repartition des vitesses radiales EN fonction de la distance.
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La mesure des vitesses radiales au prisme objectif. VII - 2e liste de vitesses radiales déterminées au prisme objectif à vision directe
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Mesures de vitesses radiales au spectrographe C de l'Observatoire de Haute Provence
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Observation and Astrometry data

Constellation:Κύκνος
Right ascension:20h02m52.38s
Declination:+32°34'38.7"
Apparent magnitude:8.508
Distance:389.105 parsecs
Proper motion RA:4
Proper motion Dec:1.3
B-T magnitude:8.475
V-T magnitude:8.506

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 190256
TYCHO-2 2000TYC 2674-2845-1
USNO-A2.0USNO-A2 1200-14278223
HIPHIP 98706
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