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Long period variables and mass loss in the globular clusters NGC 362 and NGC 2808

Lebzelter, Thomas; Wood, Peter R


Context. The pulsation periods of long period variables (LPVs) depend on their mass and helium abundance as well as on their luminosity and metal abundance. Comparison of the observed periods of LPVs in globular clusters with models is capable of revealing the amount of mass lost on the giant branch and the helium abundance. Aims. We aim to determine the amount of mass loss that has occurred on the giant branches of the low metallicity globular clusters NGC 362 and NGC 2808. We also aim to see...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201016319


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