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HD 71429


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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

Photoelectric observations of lunar occultations. XI
Occultation observations of 466 events are presented. These includediameter measures of Aldebaran under very bad conditions and a gooddiameter measure of 82 Vir. The list includes 91 reappearances andobservations of 34 double or multiple stars, both new and previouslyknown. The inconsistencies of the observations of Kui 88 are discussed.Further observations are most desirable.

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Datos observacionales y astrométricos

Constelación:Cangrejo
Ascensión Recta:08h27m55.21s
Declinación:+15°05'56.4"
Magnitud Aparente:8.509
Distancia:210.084 parsecs
Movimiento Propio en Ascensión Recta:-6.4
Movimiento Propio en Declinación:-4.7
B-T magnitude:8.671
V-T magnitude:8.523

Catálogos y designaciones:
Nombres Propios
HD 1989HD 71429
TYCHO-2 2000TYC 1379-514-1
USNO-A2.0USNO-A2 1050-05738303
HIPHIP 41506

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