Are the Stellar Winds in IC1613 stronger than expected?

Details Are the Stellar Winds in IC1613 stronger than expected? Are the Stellar Winds in IC1613 stronger than expected?

2010-09-20

arxiv.org/abs/1009.3755v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

2 pages. Poster contribution to the proceedings of the IAU272 "Active OB Stars: structure, evolution, mass loss and critical l

Scientific paper

In this poster we present the results of our analyses of three early massive stars in IC 1613, whose spectra have been observed with VIMOS and analyzed with CMFGEN and FASTWIND. One of the targets resulted a possible LBV and the other two are Of stars with unexpectedly strong winds. The Of stars seem to be strongly contaminated by CNO products. Our preliminary results may represent a challenge for the theory of stellar atmospheres, but they still have to be confirmed by the analysis of more objects and a more complete coverage of the parameter space.

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