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| Paper: |
Using Polarization to Study the Winds of Massive Stars |
| Volume: |
388, Mass Loss from Stars and the Evolution of Stellar Clusters |
| Page: |
71 |
| Authors: |
Davies, B.; Vink, J.; Oudmaijer, R. |
| Abstract: |
The topic of wind-clumping has been the subject of much activity in recent years, due to the impact that it can have on derived mass-loss rates. Here we present an alternative method of investigating wind-clumping, that of polarimetry. We present simulations of the polarization produced by a clumpy wind, and argue that the observations may be reproduced just by statistical deviations from spherical symmetry when the outflow is only slightly fragmented. Here, the polarization scales with dM/dt , which is consistent with observations of LBVs, WRs and O supergiants. |
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