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The Carina Spiral Feature: Strömgren-Hβ photometry approach. I. The photometric data-base A data-base collating all uvbybeta photometry available at present forO-B9 stars brighter than 10th visual magnitude in the field of theCarina Spiral Feature is presented. The completeness and homogeneity ofthe data-base are discussed.Based on CDS data.Table 1 is only available in electronic form at the CDS via anonymousftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/410/523
| 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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Группы:
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Наблюдательные данные и астрометрия
Созвездие: | Центавр |
Прямое восхождение: | 11h33m39.38s |
Склонение: | -57°38'42.4" |
Видимая звёздная величина: | 7.859 |
Расстояние: | 411.523 парсек |
Собственное движение RA: | -24.7 |
Собственное движение Dec: | 0.4 |
B-T magnitude: | 7.871 |
V-T magnitude: | 7.86 |
Каталоги и обозначения:
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