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HD 101059


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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 photometry of stars near the north Galactic pole. II
UBV photometric observations of about 700 stars near the north Galacticpole, obtained using single-channel photometers on the 40-cm and 60-cmCassegrain telescopes at Kvistaberg Observatory (during 1976-1983) andthe Spanish International Observatory (during 1984), respectively, aspart of a program including the stars to be observed by the Hipparcosspacecraft, are reported. The data are presented in a series of tablesand briefly characterized.

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Osservazione e dati astrometrici

Costellazione:Leone
Ascensione retta:11h37m53.90s
Declinazione:+21°44'42.4"
Magnitudine apparente:8.048
Distanza:139.082 parsec
Moto proprio RA:-7.1
Moto proprio Dec:5.4
B-T magnitude:8.252
V-T magnitude:8.065

Cataloghi e designazioni:
Nomi esatti
HD 1989HD 101059
TYCHO-2 2000TYC 1440-1878-1
USNO-A2.0USNO-A2 1050-06546938
HIPHIP 56732

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