Mid-IR observations of WC stars, and the connection to wind clumping

Details Mid-IR observations of WC stars, and the connection to wind clumping Mid-IR observations of WC stars, and the connection to wind clumping

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cihw.conf...89s&link_type=abstract

Clumping in hot-star winds : proceedings of an international workshop held in Potsdam, Germany, 18. - 22. June 2007. Hamann, Wol

Physics

Scientific paper

We present preliminary results of a tailored atmosphere analysis of six Galactic WC stars using UV, optical, and mid-infrared Spitzer IRS data. With these data, we are able to sample regions from 10 to 10³ stellar radii, thus to determine wind clumping in different parts of the wind. Ultimately, derived wind parameters will be used to accuratelymeasure neon abundances, and to so test predicted nuclear-reaction rates.

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