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Effects of Rotationally-Induced Mixing in Compact Binary Systems with Low-Mass Secondaries and in Single Solar-Type Stars folder

Chatzopoulos, Robinson & Wheeler 2012 This folder contains the inlist and model files used for the full evolution of a rotating and magnetic 1.2 Msun, solar metallicity star. The initial ZAMS rotation of the star is taken to be 30% of the critical Keplerian value. This model and other similar models were originally presented in Chatzopoulos, Robinson & Wheeler (2012) which is accepted for publication in the Astrophysical Journal.

Science results

Once contact is made, the effect of mass transfer tends to be more rapid than the evolutionary time scale, so the effects of mixing are no longer directly important, but the mass transfer strips matter to inner layers that may have been affected by the mixing. These effects are enhanced for secondaries of 1-1.2 Msun and for lower metallicities. We discuss the possible implications for the paucity of carbon in the secondaries of the cataclysmic variable SS Cyg and the black hole candidate XTE J1118+480 and for the progenitor evolution of Type Ia supernovae. We also address the issue of the origin of blue straggler stars in globular and open clusters.

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inlist file 1

pre-MS to ZAMS evolution without rotation. ZAMS is reached when logL ~ logLh

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inlist file 2

Evolution from ZAMS to RSG phase with rotation and magnetic fields initialized.

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