Highly ionized species in the spectra of Small Magellanic Cloud stars

Details Highly ionized species in the spectra of Small Magellanic Cloud stars Highly ionized species in the spectra of Small Magellanic Cloud stars

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....90l..13p&link_type=abstract

Astronomy and Astrophysics, vol. 90, no. 1-2, Oct. 1980, p. L13-L16.

Astronomy and Astrophysics

Astrophysics

20

Early Stars, Magellanic Clouds, Stellar Spectra, Hydrogen Clouds, Hydrogen Ions, Line Spectra, Spectral Line Width

Scientific paper

Preliminary results of high-resolution IUE observations of the star Sk 159 in the Small Magellanic Cloud (SMC), and of low-resolution observations of this star and of six other SMC stars are presented. A study of C IV and Si IV circumstellar absorption suggests a stellar mass loss rate smaller than in the Galaxy and the large Magellanic Cloud. Interstellar C IV and Si IV lines formed in the SMC are weak or absent in the spectrum of Sk 159. The existence of a hot halo in the SMC proposed by de Boer and Savage (1980) is thus not confirmed.

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