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Rotating Progenitors of the Wolf-Rayet Binaries HD186943 and HD90657
2004
International Astronomical Union Colloquium
We present rotating progenitor models for the WR+O binary systems HD186943 and HD90657 (van der Hucht, 2001) calculated with the evolutionary code described by Wellstein (2001). Due to rotation, the effective accretion onto the secondary star is reduced as it is spun-up close to its break-up velocity and thereby undergoes strong mass loss. We investigate the progenitor evolution of the two observed WR+O binary systems through stable mass transfer. We conclude that these systems evolved through
doi:10.1017/s0252921100152765
fatcat:wtqwvuz4ynfa7huhrhphirmxpq