Spitzer mid-IR spectroscopy of Wolf-Rayet stars: the frequent detection of circumstellar dust

Details Spitzer mid-IR spectroscopy of Wolf-Rayet stars: the frequent detection of circumstellar dust Spitzer mid-IR spectroscopy of Wolf-Rayet stars: the frequent detection of circumstellar dust

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..353..241b&link_type=abstract

Stellar Evolution at Low Metallicity: Mass Loss, Explosions, Cosmology ASP Conference Series, Vol. 353, Proceedings of the Confe

Physics

3

Scientific paper

We report recent observations with the Spitzer Space Telescope of the Wolf-Rayet stars WR 102ka and WR 102c, located in the vicinity of the Galactic Center. We used the short-high module of the IRS to obtain high quality mid-IR spectra. In this range from 10 -- 20μm, the spectra of both stars are dominated by dust emission, partly of circumstellar origin. Dust has not been detected before around WN types stars.

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