Djorgovski, S. and Piotto, G. and Mallen-Ornelas, G. (1991) Color and population gradients in globular clusters. In: The Formation and Evolution of Star Clusters. Astronomical Society of the Pacific Conference Series. No.13. Astronomical Society of the Pacific , San Francisco, CA, pp. 262-264. ISBN 0-937707-32-5. https://resolver.caltech.edu/CaltechAUTHORS:20190724-155323960
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Abstract
We present preliminary results from a survey for color and population gradients in globular cluster cores. Color gradients, in the sense of becoming bluer inwards, are always found in post-core-collapse clusters. They seem to be caused by the demise of red giants, and possibly an increased number of blue stragglers. This may be a consequence of stellar interactions during and after the core collapse. No gradients are seen in clusters with King-model morphology.
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| Additional Information: | © 1991 Astronomical Society of the Pacific. Provided by the NASA Astrophysics Data System. This work was supported in part by an Alfred P. Sloan Foundation fellowship and NASA grant NAG5-1173 (SD). GP thanks ESO for hospitality and support during the course of this work. | |||||||||
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| Series Name: | Astronomical Society of the Pacific Conference Series | |||||||||
| Issue or Number: | 13 | |||||||||
| Record Number: | CaltechAUTHORS:20190724-155323960 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190724-155323960 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 97395 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 24 Jul 2019 23:13 | |||||||||
| Last Modified: | 03 Oct 2019 21:31 |
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