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Issue A&A
Volume 416, Number 1, March II 2004
Page(s) 291 - 295
Section Stellar structure and evolution
DOI http://dx.doi.org/10.1051/0004-6361:20034459



A&A 416, 291-295 (2004)
DOI: 10.1051/0004-6361:20034459

Another single hydrogen-rich Wolf-Rayet star in the SMC?

C. Foellmi

European Southern Observatory, Alonso de Cordova 3107, Vitacura, casilla 19001, Santiago, Chile
(Received 6 October 2003 / Accepted 24 November 2003)

Abstract
A 12th Wolf-Rayet star in the SMC has recently been discovered by Massey et al. (2003). To determine its spectral type and preliminary binary status, we obtained 3 high signal-to-noise spectra separated in time at the ESO-NTT. Compared to other WR stars in the SMC, SMC-WR12 appears to belong to the subgroup of faint, single and hydrogen-rich WN stars. We discuss the evolutionary status of WR12 and show that relatively low mass rotating progenitors can better account for the properties of single hydrogen-rich WN stars in the SMC.


Key words: stars: Wolf-Rayet -- stars: individual: SMC-WR12 -- stars: rotation -- galaxies: individual: SMC

SIMBAD Objects



© ESO 2004


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