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Ccd Ubv Ri Photometry Of The Open Cluster Berkeley 8, Hi̇kmet Çakmak, Raul Michel, Yüksel Karataş
Ccd Ubv Ri Photometry Of The Open Cluster Berkeley 8, Hi̇kmet Çakmak, Raul Michel, Yüksel Karataş
Turkish Journal of Physics
The poorly studied Berkeley 8 (Be 8) open cluster is analyzed from CCD U BV RI photometric data taken with the 0.90 m telescope at the Sierra Nevada Observatory. The Z = +0.008 PARSEC isochrone gave us a reddening of E(B-V) = 0.69 ± 0.03, a distance of 3410 ± 300 pc, and an age of 2.8 ± 0.2 Gyr. Its median Gaia DR2 distance, d = 3676 ± 810 pc, is in good agreement with our photometric distances, 3410-3620 pc within the uncertainties. The kinematic parameters of five likely members of Be 8 with the circular orbits, ecc = …