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HD 189847


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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.

La mesure des vitesses radiales au prisme objectif. XIII. 6ème liste de vitesses radiales déterminées au prisme objectif à vision directe
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Kugu
Sað Açýklýk:20h00m58.74s
Yükselim:+31°13'49.7"
Görünürdeki Parlaklýk:6.917
Uzaklýk:380.228 parsek
özdevim Sað Açýklýk:3.1
özdevim Yükselim:0.1
B-T magnitude:6.783
V-T magnitude:6.906

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 189847
TYCHO-2 2000TYC 2670-932-1
USNO-A2.0USNO-A2 1200-14166875
HIPHIP 98525
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