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Cyanogen in NGC 1851 RGB and AGB Stars: Quadrimodal Distributions
S. W. Campbell, D. Yong, E. C. Wylie-de Boer +7
The Galactic globular cluster NGC 1851 has raised much interest since HST photometry revealed that it hosts a double subgiant branch. Here we report on our homogeneous study into t…
Short-lived radioactivity in the early Solar System: the Super-AGB star hypothesis
Maria Lugaro, Carolyn L. Doherty, Amanda. I. Karakas +5
The composition of the most primitive Solar System condensates, such as calcium-aluminum-rich inclusions (CAI) and micron-sized corundum grains, show that short-lived radionuclides…
The end of super AGB and massive AGB stars I. The instabilities that determine the final mass of AGB stars
Herbert H. B. Lau, Pilar Gil-Pons, Carolyn Doherty +1
The literature is rich in analysis and results related to thermally pulsing-asymptotic giant branch (TP-AGB) stars, but the problem of the instabilities that arise and cause the di…
The Role of Thermohaline Mixing in Intermediate- and Low-Metallicity Globular Clusters
George C. Angelou, Richard J. Stancliffe, Ross P. Church +2
It is now widely accepted that globular cluster red giant branch stars owe their strange abundance patterns to a combination of pollution from progenitor stars and in situ extra mi…