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NGC 6025 - Open Starcluster in the Constellation Southern Triangle

Description of object:

The open star cluster NGC 6025 in the constellation Triangulum Australe has a distance of roughly 2700 light years from the earth. The diameter of the star cluster in the sky is roughly 12 arc minutes, which is equivalent to an absolute diameter of 9 light years. Its age is estimated to be 125 million years.

Analysis of the chemical composition of members of the cluster show that NGC 6025 has the highest metal content of all currently known open star clusters in our milky way. In the field of astronomy all elements more heavy than Helium are counted as metals. The so called metallicity of open star clusters is an important number to tests theories about the formation and evolution of the galactic disc.

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