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Oxford University Press (OUP), Monthly Notices of the Royal Astronomical Society, 2(429), p. 1102-1112

DOI: 10.1093/mnras/sts394

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Photometric study of open clusters Berkeley 96, Berkeley 97, King 12, NGC 7261, NGC 7296, and NGC 7788

Journal article published in 2012 by Elena V. Glushkova, Marina V. Zabolotskikh, Sergey E. Koposov ORCID, Olga I. Spiridonova, Svetlana I. Leonova, Valery V. Vlasyuk, Alexey S. Rastorguev
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We present BVRcIc CCD photometry in the fields of six Galactic open clusters toward the Perseus spiral arm. These data, complemented with J,H and KS magnitudes from 2MASS, have been used to determine the following ages, distances and colour excesses E(B - V) for these clusters: 40 Myr, 3180+440-380 pc, 0.54 ± 0.03 mag (Berkeley 96); 250 Myr, 2410+220-200 pc, 0.77 ± 0.06 mag (Berkeley 97); 70 Myr, 2490+180-170 pc, 0.51 ± 0.05 mag (King 12); 160 Myr, 2830+160-150 pc, 0.88 ± 0.09 mag (NGC 7261); 280 Myr, 2450+190-170 pc, 0.24 ± 0.03 mag (NGC 7296); 160 Myr, 2750+220-210 pc, 0.49 ± 0.02 mag (NGC 7788). We found gaps in the mass function of clusters Be 97, King 12 and NGC 7788 in the mass intervals [1.3-1.5], [1.4-1.6] and [1.5-1.7] solar masses, respectively. © 2012 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society.