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 | ||||||
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| 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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