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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
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Datos observacionales y astrométricos
| Constelación: | Osa Mayor |
| Ascensión Recta: | 09h22m34.89s |
| Declinación: | +43°36'17.7" |
| Magnitud Aparente: | 9.232 |
| Movimiento Propio en Ascensión Recta: | -54.3 |
| Movimiento Propio en Declinación: | -28.8 |
| B-T magnitude: | 9.621 |
| V-T magnitude: | 9.265 |
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