| Issue |
A&A
Volume 394, Number 2, November I 2002
|
|
|---|---|---|
| Page(s) | 479 - 488 | |
| Section | Galactic structure, stellar clusters, and populations | |
| DOI | https://doi.org/10.1051/0004-6361:20021200 | |
| Published online | 15 October 2002 | |
CCD 
photometry of young open clusters*
I. The double cluster h and χ Persei
1
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, juan@pleione.uv.es
Received:
29
March
2002
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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