Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980esasp.157..209a&link_type=abstract
The second European International Ultraviolet Explorer (IUE) Conference, held 26-28 March 1980 in Tübingen, West Germany. Edited
Astronomy and Astrophysics
Astronomy
Absorption Spectra, Emission Spectra, Iue, T Tauri Stars, Ultraviolet Astronomy, Continuous Spectra, Nitrogen, Spectrograms, Stellar Envelopes
Scientific paper
The IUE satellite was used to observe the ultraviolet spectra of the T Tauri stars DR Tauri, CoD - 35 deg 10525, and AS 205. In addition, earlier IUE spectrograms of the T Tauri star S CrA were reduced using a more effective procedure. The IUE observations were supplemented by simultaneous groundbased 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 N (V). Two of the observed T Tauri stars show a strong UV continuum and UV envelope absorption lines. The occurrence of such absorption lines and a strong UV continuum seems to be related to the envelope density of these objects. The observed ultraviolet spectra of DR Tau, CoD -35 deg 10525, and AS 205 and of S CrA are shown.
Appenzeller Immo
Chavarria C.
Krautter Joachim
Mundt Reinhard
Wolf Bernd
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