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Sottometti un nuovo articolo| 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
 
 
 |  | The Program to Link the HIPPARCOS Reference Frame to an Extragalactic Reference System Using the Fine Guidance Sensors of the Hubble Space Telescope Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1997AJ....114.2796H&db_key=AST
 
 
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 Osservazione e dati astrometrici
| Costellazione: | Lince |  | Ascensione retta: | 08h33m14.34s |  | Declinazione: | +49°15'50.2" |  | Magnitudine apparente: | 8.177 |  | Distanza: | 180.832 parsec |  | Moto proprio RA: | -17.8 |  | Moto proprio Dec: | -33.5 |  | B-T magnitude: | 8.395 |  | V-T magnitude: | 8.195 |  Cataloghi e designazioni:
 
 
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