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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.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Pergel |
| Sað Açýklýk: | 13h52m59.14s |
| Yükselim: | -70°02'50.1" |
| Görünürdeki Parlaklýk: | 7.135 |
| Uzaklýk: | 210.97 parsek |
| özdevim Sað Açýklýk: | -26.5 |
| özdevim Yükselim: | -5.2 |
| B-T magnitude: | 7.259 |
| V-T magnitude: | 7.146 |
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