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Recent Results on the Turn-Off of ω Centauri

Published online by Cambridge University Press:  14 August 2015

R. D. Cannon
R. D. Cannon*
Affiliation:
Royal Observatory, Edinburgh

Extract

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It is now well established that there is a wide range of surface chemical composition among the evolved stars of ω Centauri, and that this causes exceptional scatter on the red giant branch in the V, (B-V) C-M diagram. However, different atomic and molecular species vary in different ways and it is not clear how much of the variation should be attributed to mixing during evolution and how much if any is primordial.

Type
August 30 Globular Clusters
Information
Symposium - International Astronomical Union , Volume 85: Star Clusters , 1980 , pp. 429 - 430
Copyright
Copyright © Reidel 1980 

References

Cannon, R.D. and Kontizas, M.: 1974, Mon. Not. Roy. Astr. Soc. 167, 50P.Google Scholar
Danziger, I.J., Dennefeld, M. and Schuster, H.E.: 1976, Astron. Astrophys. 48, 479.Google Scholar