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MAIK Nauka/Interperiodica, Astronomy Letters, 1(36), p. 14-26

DOI: 10.1134/s1063773710010032

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Photometry of the poorly studied galactic open star clusters King 13, King 18, King 19, King 20, NGC 136, and NGC 7245

Journal article published in 2010 by E. V. Glushkova, M. V. Zabolotskikh, S. E. Koposov ORCID, O. I. Spiridonova, V. V. Vlasyuk, A. S. Rastorguev
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We present the results of our BV R c I c CCD photometry for six Galactic open star clusters toward the Perseus spiral armperformed at the Special Astrophysical Observatory of the Russian Academy of Sciences. Based on these data and using JHK s photometry from the 2MASS catalog, we have determined the ages, distances, and color excesses for the clusters: 710 Myr, 2960{‑340/+400} pc, 0{·/ m }56 ± 0{·/ m }04 (King 13); 130 Myr, 3010{‑280/+300} pc, 0{·/ m }69 ± 0{·/ m }04 (King 18); 560 Myr, 2630{‑270/+310} pc, 0{·/ m }69 ± 0{·/ m }08 (King 19); 160 Myr, 1750{‑70/+80} pc, 0{·/ m }77 ± 0{·/ m }05 (King 20); 250 Myr, 5220{‑320/+350} pc, 0{·/ m }70 ± 0{·/ m }09 (NGC 136); 320 Myr, 3390{‑200/+210} pc, 0{·/ m }43 ± 0{·/ m }03 (NGC 7245).