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 Везани чланци
Додај нови чланак| 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
 
 
 |  | Mesures d'étoiles doubles effectuées au télescope de 80 cm. de l'Observatoire de Marseille Not Available
 
 
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 Линкови у сродству са темомДодај нови линк
 
 
 Чланови следећих група \: | 
 
 Посматрања и Астрометриски подаци
| Сазвежђа: | Северна круна |  | Ректацензија: | 15h30m20.35s |  | Deклинација: | +27°39'29.8" |  | Apparent магнитуда: | 7.881 |  | Даљина: | 406.504 parsecs |  | Proper motion RA: | 3.5 |  | Proper motion Dec: | 4.1 |  | B-T magnitude: | 8.04 |  | V-T magnitude: | 7.895 |  Каталог и designations:
 
 
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