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Color and population gradients in globular clusters

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.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://www.aspbooks.org/a/volumes/article_details/?paper_id=6538PublisherArticle
http://adsabs.harvard.edu/full/1991ASPC...13..262DADSArticle
ORCID:
AuthorORCID
Djorgovski, S.0000-0002-0603-3087
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.
Funders:
Funding AgencyGrant Number
Alfred P. Sloan FoundationUNSPECIFIED
NASANAG5-1173
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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