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Ages and uvbybeta photometry of wide visual binaries. II
Visual magnitudes and color indices b-y, m1, c1 and beta have beenobtained for the members of 39 double or multiple systems containingstars with magnitudes greater than 4m. Relationships between stellarages, spectral types and photometric indices are given from a sample ofabout 3,500 stars. Data is presented with regard to MK spectral types,the separation, and absolute magnitudes; also tabulated are the meanvalues of photometric unreddened indices with their standard deviationfor intervals of 0.2 in log age. From calculations for each binary ofthe relative difference in the ages of the components and the differencein the effective temperatures, an increase in the relative differencesin ages with the differences in temperatures is noted.
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Miembro de los siguientes grupos:
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Datos observacionales y astrométricos
| Constelación: | Quilla |
| Ascensión Recta: | 07h20m39.01s |
| Declinación: | -52°11'55.4" |
| Magnitud Aparente: | 6.885 |
| Distancia: | 171.233 parsecs |
| Movimiento Propio en Ascensión Recta: | -9.6 |
| Movimiento Propio en Declinación: | -0.1 |
| B-T magnitude: | 6.862 |
| V-T magnitude: | 6.884 |
Catálogos y designaciones:
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