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1998•Journal of The Korean Astronomical SocietyRequires access

UBV CCD Photometry of the Open Cluster Berkeley 2

Ann, Hong Bae, Park, Yoon Ho, Kang, Y. J. Woo

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Abstract

We present UBV CCD photometry of Be 2, previously unstudied open cluster. Our photometry covers a field of of the sky centered on the cluster, which is slightly smaller than the cluster diameter estimated to be about 260'. We have determined the reddening, distance, age and metallicity of the cluster by fitting the Pad ova isochrones to the observed stellar distributions in color-magnitude diagram as well as main sequence fitting: , and Z=0.008. The present photometry shows that Be 2 is a distant open cluster of intermediate age. that it is a distant intermediate-age open duster.

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What this paper is about

We present UBV CCD photometry of Be 2, previously unstudied open cluster. Our photometry covers a field of of the sky centered on the cluster, which is slightly smaller than the cluster diameter estimated to be about 260'. We have determined the reddening, distance, age and metallicity of the cluster by fitting the Pad ova isochrones to the observed stellar distributions in color-magnitude diagram as well as main sequence fitting: , and Z=0.008. The present photometry shows that Be 2 is a distant open cluster of intermediate age. that it is a distant intermediate-age open duster.

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Available abstract

We present UBV CCD photometry of Be 2, previously unstudied open cluster. Our photometry covers a field of of the sky centered on the cluster, which is slightly smaller than the cluster diameter estimated to be about 260'. We have determined the reddening, distance, age and metallicity of the cluster by fitting the Pad ova isochrones to the observed stellar distributions in color-magnitude diagram as well as main sequence fitting: , and Z=0.008. The present photometry shows that Be 2 is a distant open cluster of intermediate age. that it is a distant intermediate-age open duster.

Key concepts: Photometry (optics), Physics, Open cluster, Metallicity, Astrophysics, Sky, Cluster (spacecraft), Astronomy

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