A photometric study of the two poorly known northern open clusters NGC 133 and NGC 1348

Details A photometric study of the two poorly known northern open clusters NGC 133 and NGC 1348 A photometric study of the two poorly known northern open clusters NGC 133 and NGC 1348

2002-03-11

arxiv.org/abs/astro-ph/0203156v1

Astronomy and Astrophysics

Astrophysics

9 pages, 13 eps figures, in press in A&A

Scientific paper

10.1051/0004-6361:20020348

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$(B-V)=0.60\pm0.10$ mag, to be $630\pm150$ pc distant from the Sun, and to have an age less than 10 Myrs. NGC 1348 is a more reddened cluster (E$(B-V)=0.85\pm0.15$ mag) for which we isolate 20 members. The cluster lies at a distance of $1.9\pm0.5$ kpc away from the Sun, and has an age greater than 50 Myrs.

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