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Published 1994 | public
Book Section - Chapter

Infrared Photometry of Metal Rich Galactic Globular Clusters

Abstract

We describe the results of a program of infrared photometry using an array detector carried out at the Las Campanas Observatory on a sample of very metal rich galactic globular clusters. We have found that the giant branches of most of these clusters show a spread in various colors which is due to patchy interstellar absorption. Strong limits can be derived on the metallicity spread within these clusters by analyzing the spread of the giant branch at a given K magnitude as a function of color used.

Additional Information

© Springer Science+Business Media Dordrecht 1994. We are very grateful to Eric Persson, who not only built the instrument, but provided valuable advice and help in the data analysis as well.

Additional details

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August 20, 2023
Modified:
January 14, 2024