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| Paper: |
The Barium Star Mystery |
| Volume: |
445, Why Galaxies Care about AGB Stars II: Shining Examples and Common Inhabitants |
| Page: |
447 |
| Authors: |
Dermine, T.; Izzard, R. G.; Jorissen, A.; Church, R. |
| Abstract: |
The barium overabundances observed at the surface of barium stars most
likely originate from accretion long ago from the wind of a companion
AGB star. However, this scenario cannot explain their high
eccentricities and short orbital periods that have remained a mystery
for decades. We investigate how kicks imparted to the white dwarf at
its birth or the presence of a circumbinary disk can solve this problem. |
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