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HD 93431


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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.

Spectral types of 80 early-type stars of variable radial velocity
MK spectral types are given for 80 normal early-type stars of variableradial velocity. These spectral types were determined from spectrogramstaken with the Lick Observatory 0.9-m refractor during the years1957-58.

Troisième catalogue de l'Observatoire de Besançon comprenant 764 étoiles réduites à 1950, 0 sans mouvement propre et 326 étoiles FK3 pour l'époque moyenne d'observation
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Membro dei seguenti gruppi:

Osservazione e dati astrometrici

Costellazione:Leone
Ascensione retta:10h47m19.16s
Declinazione:+06°20'46.4"
Magnitudine apparente:7.137
Distanza:95.511 parsec
Moto proprio RA:-47.9
Moto proprio Dec:-25.7
B-T magnitude:7.321
V-T magnitude:7.153

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 93431
TYCHO-2 2000TYC 260-517-1
USNO-A2.0USNO-A2 0900-06773150
HIPHIP 52763
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