Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....90..184a&link_type=abstract
Astronomy and Astrophysics, vol. 90, no. 1-2, Oct. 1980, p. 184-191. Research supported by the Consejo Nacional de Ciencia y Te
Astronomy and Astrophysics
Astronomy
25
Spaceborne Astronomy, Stellar Spectrophotometry, T Tauri Stars, Ultraviolet Spectra, Absorption Spectra, Data Reduction, Iue, Ultraviolet Absorption
Scientific paper
The IUE satellite has been used to observe the ultraviolet spectra (1200-3200 A, 6A resolution) of the T Tauri stars DR Tauri, CoD-35 deg 10525, and AS205. In addition, earlier IUE spectrograms of the T Tauri star S CrA were rereduced using a more effective procedure. The new IUE observations were supplemented by simultaneous (or nearly simultaneous) ground-based observations. All observed UV spectra show emission lines of a great variety of different atoms and ions. The ion of highest ionization stage observed is NV. Two of the observed T Tauri stars show a strong UV continuum and UV envelope absorption lines. The occurrence of such absorption lines and of a strong UV continuum seems to be related to the envelope density of these objects.
Appenzeller Immo
Chavarria C.
Krautter Joachim
Mundt Reinhard
Wolf Bernd
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