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HD 112243


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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.

Interstellar reddening in the Southern Hemisphere. I - The UVBY beta observations
The uvby-beta photometric data obtained from a Southern Hemisphereobservational project is presented. A uvby-beta photometric network ofnearly 3900 A and early F stars has been established with the intentthat the stars serve as 'space probes' for measurements of interstellarreddening.

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Osservazione e dati astrometrici

Costellazione:Centauro
Ascensione retta:12h55m54.36s
Declinazione:-53°06'19.1"
Magnitudine apparente:8.271
Distanza:111.982 parsec
Moto proprio RA:-72.7
Moto proprio Dec:22.7
B-T magnitude:8.609
V-T magnitude:8.299

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 112243
TYCHO-2 2000TYC 8648-1184-1
USNO-A2.0USNO-A2 0300-17008643
HIPHIP 63111

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