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HD 170780


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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.

Classification of 831 two-micron sky survey sources south of +5 degrees.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975AJ.....80.1011H&db_key=AST

The radial velocities of 1013 stars.
Not Available

Spectrophotometric methods for determining stellar luminosity.
Not Available

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Yilanci
Sað Açýklýk:18h30m54.56s
Yükselim:+08°04'42.4"
Görünürdeki Parlaklýk:7.62
Uzaklýk:507.614 parsek
özdevim Sað Açýklýk:-6.1
özdevim Yükselim:-9.4
B-T magnitude:9.775
V-T magnitude:7.798

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 170780
TYCHO-2 2000TYC 1024-3138-1
USNO-A2.0USNO-A2 0975-11935101
HIPHIP 90741
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