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Infrared Photometry of Metal Rich Galactic Globular Clusters

Cohen, J. G. and Sleeper, C. (1994) Infrared Photometry of Metal Rich Galactic Globular Clusters. In: Infrared Astronomy with Arrays: the Next Generation. Astrophysics and Space Science Library. No.190. Springer , Dordrecht, pp. 93-94. ISBN 9789401044660. https://resolver.caltech.edu/CaltechAUTHORS:20190529-161905136

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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.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/978-94-011-1070-9_20DOIArticle
ORCID:
AuthorORCID
Cohen, J. G.0000-0002-8039-4673
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.
Subject Keywords:globular clusters - variable interstellar absorption - metallicity variations
Series Name:Astrophysics and Space Science Library
Issue or Number:190
Record Number:CaltechAUTHORS:20190529-161905136
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190529-161905136
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:95930
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:30 May 2019 14:00
Last Modified:03 Oct 2019 21:18

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