Volume 394, Number 2, November I 2002
|Page(s)||479 - 488|
|Section||Galactic structure, stellar clusters, and populations|
|Published online||15 October 2002|
CCD photometry of young open clusters*
I. The double cluster h and χ Persei
Observatorio Astronómico, Universidad de Valencia, 46100 Burjassot, Spain
2 GEPI/FRE K2459 du CNRS, Observatoire de Paris-Meudon, 92195 Meudon Principal Cedex, France
Corresponding author: J. Fabregat, firstname.lastname@example.org
Accepted: 6 August 2002
We present CCD 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 in the western part to in the south-east. Towards χ Per the reddening is fairly constant, with . Both clusters share a common distance modulus of mag, and an age of years.
Key words: techniques: photometric / stars: early-type / Galaxy: open clusters and associations: individual: NGC 869, NGC 884
© ESO, 2002
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