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Sottometti un nuovo articolo| Five-colour photometry of OB-stars in the Southern Hemisphere Observations of OB-stars, made in 1959 and 1960 at the Leiden SouthernStation near Hartebeespoortdam, South Africa, with the VBLUW photometerattached to the 90 cm light-collector, are given in this paper. They arecompared with photometry obtained by \cite[Graham (1968),]{gra68}\cite[Walraven & Walraven (1977),]{wal77} \cite[Lub & Pel(1977)]{lub77} and \cite[Van Genderen et al. (1984).]{gen84} Formulaefor the transformation of the present observations to those of\cite[Walraven & Walraven (1977)]{wal77} and \cite[Lub & Pel(1977)]{lub77} are given. Table 4 is only available in electronic format the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) orvia http://cdsweb.u-strasbg.fr/Abstract.html
 
 
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 Osservazione e dati astrometrici
| Costellazione: | Andromeda |  | Ascensione retta: | 00h38m23.24s |  | Declinazione: | +45°11'12.4" |  | Magnitudine apparente: | 8.752 |  | Distanza: | 490.196 parsec |  | Moto proprio RA: | -6.6 |  | Moto proprio Dec: | -14.4 |  | B-T magnitude: | 9.296 |  | V-T magnitude: | 8.797 |  Cataloghi e designazioni:
 
 
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