3 years ago

The VLT-FLAMES Tarantula Survey.

O. Ramirez-Agudelo, J. Bestenlehner, C. McEvoy, H. Sana, VFTS, F. Schneider, C.J. Evans, Jorick S. Vink

We present a number of notable results from the VLT-FLAMES Tarantula Survey (VFTS), an ESO Large Program during which we obtained multi-epoch medium-resolution optical spectroscopy of a very large sample of over 800 massive stars in the 30 Doradus region of the Large Magellanic Cloud (LMC). This unprecedented data-set has enabled us to address some key questions regarding atmospheres and winds, as well as the evolution of (very) massive stars. Here we focus on O-type runaways, the width of the main sequence, and the mass-loss rates for (very) massive stars. We also provide indications for the presence of a top-heavy initial mass function (IMF) in 30 Dor.

Publisher URL: http://arxiv.org/abs/1710.11220

DOI: arXiv:1710.11220v1

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