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The Globular Cluster NGC 6266
Published online by Cambridge University Press: 25 April 2016
Extract
This cluster has two notable characteristics: it contains more than 80 variables, and relative to its NP half its SF half is covered by a cloud absorbing up to a magnitude in the blue. These properties make it an ideal object for determining the ratio Av/E of V absorption to colour excess—one simply compares mean colours and magnitudes of variables in the obscured part with those in the clear part.
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- Copyright © Astronomical Society of Australia 1967
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