Heavy element nucleosynthesis in the brightest galactic asymptotic giant branch stars
Karakas, Amanda; Garcia-Hernandez, D. A.; Lugaro, Maria
We present updated calculations of stellar evolutionary sequences and detailed nucleosynthesis predictions for the brightest asymptotic giant branch (AGB) stars in the Galaxy with masses between 5 M and 9 M , with an initial metallicity of Z = 0.02 ([Fe/H] = 0.14). In our previous studies we used the Vassiliadis & Wood mass-loss rate, which stays low until the pulsation period reaches 500 days after which point a superwind begins. Vassiliadis & Wood noted that for stars over 2.5 M the superwind...[Show more]
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|Source:||Astrophysical Journal, The|
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