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HD 132357


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Radial velocities. Measurements of 2800 B2-F5 stars for HIPPARCOS
Radial velocities have been determined for a sample of 2930 B2-F5 stars,95% observed by the Hipparcos satellite in the north hemisphere and 80%without reliable radial velocity up to now. Observations were obtainedat the Observatoire de Haute Provence with a dispersion of 80Ä,mm(-1) with the aim of studying stellar and galactic dynamics.Radial velocities have been measured by correlation with templates ofthe same spectral class. The mean obtained precision is 3.0 km s(-1)with three observations. A new MK spectral classification is estimatedfor all stars. Based on observations made at the Haute ProvenceObservatory, France and on data from The Hipparcos Catalogue, ESA.Tables 4, 5 and 6 are only available in electronic form at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr or viahttp://cdsweb.u-strasbg.fr/Abstract.htm

A second list of wide visual binaries
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A second list of wide visual binaries
Not Available

Visual multiples. VII - MK classifications
Classifications are given for 865 components of visual multiples; theyshow no systematic differences from the MK system, and the random errorsare one subclass in type and two-thirds of a luminosity class. It isfound that at least 1% of the F-type IV and V stars are weak-lined, 32%of the A4-F1 IV and V stars are Am, and 5% of the A0-A3 IV and V starsare early-type Am. Attention is called to the large fraction (55%) ofthe A3-A9 III-V stars that are of luminosity classes III or IV, unlikethe percentage (16%) at neighboring types.

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Datos observacionales y astrométricos

Constelación:Boyero
Ascensión Recta:14h57m27.87s
Declinación:+40°09'42.2"
Magnitud Aparente:8.24
Distancia:110.011 parsecs
Movimiento Propio en Ascensión Recta:14.2
Movimiento Propio en Declinación:-6.4
B-T magnitude:8.579
V-T magnitude:8.268

Catálogos y designaciones:
Nombres Propios   (Edit)
HD 1989HD 132357
TYCHO-2 2000TYC 3047-1259-1
USNO-A2.0USNO-A2 1275-08559106
HIPHIP 73185

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