Modelling self-pollution of globular clusters fromasymptotic giant branch stars
Fenner, Y; Campbell, S; Karakas, Amanda; Lattanzio, John; Gibson, Bradley K
A self-consistent model of the chemical evolution of the globular cluster NGC 6752 is presented to test a popular theory that observed abundance anomalies are due to 'internal pollution' from intermediate-mass asymptotic giant branch stars. We simulated the chemical evolution of the intracluster medium under the assumption that the products of Type II supernovae are completely expelled from the globular cluster, whereas the material ejected from stars with m ≲ 7 M⊙ is retained, due to their...[Show more]
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|Source:||Monthly Notices of the Royal Astronomical Society|
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