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CCD uvbyβ photometry of young open clusters : I. The double cluster h and Χ Persei*
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CCD uvbyβ photometry of young open clusters : I. The double cluster h and Χ Persei*
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| Capilla, G.; Fabregat Llueca, Juan | |||
| Aquest document és un/a article, creat/da en: 2002 | |||
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| We present CCD uvbyβ photometry for stars in the nuclei of the young double cluster h and Χ Persei. We find that the reddening is highly variable through the h Per nucleus, increasing from west to east, with values ranging from E(b − y) = 0.328 -+ 0.022 in the western part to E(b − y) = 0.465 -+ 0.024 in the south-east. Towards Χ Per the reddening is fairly constant, with E(b − y) = 0.398 -+0.025. Both clusters share a common distance modulus of 11.7 -+ 0.1 mag, and an age of log t = 7.10 -+ 05 years. | |||
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