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Sottometti un nuovo articolo| Pulkovo compilation of radial velocities for 35495 stars in a common system. Not Available
 
 
 |  | A homogeneous catalog of new UBV and H-beta photometry of B- and A-type stars in and around the Scorpius-Centaurus OB association B- and A-type stars in and near the Sco-Cen OB association areinvestigated with UBV and H-beta photometry to acquire data relevant tothe luminosity function of Sco-Cen. The measurements generally consistof two 10-s integrations of U, B, V, (W, N) filters, and theobservations are corrected iteratively for atmospheric extinction andinstrumental response. The data presented give the mean V magnitude,mean B-V, mean U-B, and the estimated uncertainties for these values.The catalog provides a homogeneous catalog of data for a large fieldwith stellar objects delineating membership to the association Sco-Cenand that affect the luminosity function of the aggregate.
 
 
 |  | Walraven photometry of nearby southern OB associations Homogeneous Walraven (VBLUW) photometry is presented for 5260 stars inthe regions of five nearby southern OB associations: Scorpio Centaurus(Sco OB2), Orion OB1, Canis Major OB1, Monoceros OB1, and Scutum OB2.Derived V and (B - V) in the Johnson system are included.
 
 
 |  | Radial velocities of Southern B stars determined at the Radcliffe Observatory - VIII. Stars with HD spectral types B8 and B9 Not Available
 
 
 |  | Magnitudes and Colours for Stars in the Scorpius-Centaurus Region Not Available
 
 
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 Osservazione e dati astrometrici
| Costellazione: | Centauro |  | Ascensione retta: | 13h21m10.34s |  | Declinazione: | -51°40'16.2" |  | Magnitudine apparente: | 7.545 |  | Distanza: | 389.105 parsec |  | Moto proprio RA: | -21.3 |  | Moto proprio Dec: | -2.5 |  | B-T magnitude: | 7.479 |  | V-T magnitude: | 7.54 |  Cataloghi e designazioni:
 
 
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