Observations of the Wolf Rayet star WR123 with MOST

Details Observations of the Wolf Rayet star WR123 with MOST Observations of the Wolf Rayet star WR123 with MOST

Jul 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009coast.158..297l&link_type=abstract

"Communications in Asteroseismology, Vol.158, p. 297 Proceedings of "38th Liege International Astrophysical Colloquium: Evoluti

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

We present an analysis of the intensive visual-broadband photometric monitoring of the highly variable WN8 Wolf-Rayet star WR123, obtained by the MOST satellite. The Canadian space telescope observed WR123 for 38 days non-stop during June/July 2004. To complement previous investigations (Lefèvre et al. 2005), we show spectroscopic data taken a year before the MOST observations and a supplementary analysis of the dataset. This work shows that it is possible to fit quite reliably this supposedly unstable signal with a few sinusoidal components and may lead us to new insights in the variability of Wolf-Rayet stars.

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