期刊
ASTRONOMY & ASTROPHYSICS
卷 387, 期 2, 页码 479-486出版社
E D P SCIENCES
DOI: 10.1051/0004-6361:20020348
关键词
open clusters and associations : individual : NGC 133, NGC 1348; open clusters and associations : general
We present CCD UBVI observations obtained in the field of the previously unstudied northern open clusters NGC 133 and NGC 1348. We argue that NGC 133 is a heavily contaminated cluster, for which we identify 13 candidate members down to V=14.50 mag on the basis of the position in the two-color Diagram. Membership has been checked against proper motions from Tycho 2, whenever available. The cluster turns out to have a reddening E(B-V)=0.60+/-0.10 mag, to be 630+/-150 pc distant from the Sun, and to have an age less than 10 Myrs. NGC 1348 is a more reddened clusters (E(B-V)=0.85+/-0.15 mag) for which we isolate 20 members. The cluster lies at a distance of 1.9+/-0.5 kpc away from the Sun, and has an age greater than 50 Myrs.
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