Wolf-Rayet Stars at the Highest Angular Resolution
Millour, F.; Chesneau, O.; Driebe, T.; Matter, A.; Schmutz, W.; Lopez, B.; Petrov, R.G.; Groh, J.H.; Bonneau, D.; Dessart, L.; Hofmann, K.-H.; Weigelt, G.
The Messenger, vol. 135, p. 26-31 (2009)
Abstract
Interferometric observations of high-mass evolved stars provide new and very valuable information of their nature. With the unique capabilities of the VLTI, direct images of their closest environment where mass loss and dust formation occur, can be obtained. The breakthrough of the VLTI in terms of angular resolution as well as spectral resolution allows competing theoretical models, based on indirect constraints, to be tested. The high angular resolution made available by the VLTI shows that there is still a lot to discover about these massive stars.
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