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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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Observation and Astrometry data
| Constellation: | りゅう座 |
| Right ascension: | 15h18m33.09s |
| Declination: | +65°25'15.3" |
| Apparent magnitude: | 7.82 |
| Distance: | 180.832 parsecs |
| Proper motion RA: | 7.7 |
| Proper motion Dec: | -10.8 |
| B-T magnitude: | 7.972 |
| V-T magnitude: | 7.833 |
Catalogs and designations:
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