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astro-ph.SR2011★ 13 cited
A 10-hour period revealed in optical spectra of the highly variable WN8 Wolf-Rayet star WR 123
A. -N. Chené, C. Foellmi, S. V. Marchenko +6
Aims. What is the origin of the large-amplitude variability in Wolf-Rayet WN8 stars in general and WR123 in particular? A dedicated spectroscopic campaign targets the ten-hour peri…
astro-ph.SR2011
The WR 140 periastron passage 2009: first results from MONS and other optical sources
R. Fahed, A. F. J. Moffat, J. Zorec +29
We present the results from the spectroscopic follow-up of WR140 (WC7 + O4-5) during its last periastron passage in January 2009. This object is known as the archetype of colliding…