Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....73l...4g&link_type=abstract
Astronomy and Astrophysics, vol. 73, no. 1-2, Mar. 1979, p. L4-L6. Research supported by the Swedish Board for Space Activities
Astronomy and Astrophysics
Astronomy
48
Astronomical Spectroscopy, Far Ultraviolet Radiation, Stellar Spectra, T Tauri Stars, Ultraviolet Spectra, Iue, Line Spectra, Satellite Observation, Spaceborne Astronomy
Scientific paper
The spectrum of the T Tauri star RU Lupi from 1150 to 3100 A has been observed from the IUE satellite. It is rich in emission lines, seen superimposed on a background continuum and traceable from Ly-alpha to 3100 A. The region from 2000 to 3100 A is dominated by metal line emission of the same nature as previously observed in the optical region. The resonance lines of Mg II at 2795 and 2780 A are exceedingly strong. In the region from 1150 to 2000 A the most conspicuous features are the very strong emission lines of C IV, Si IV and Si III, indicating that regions of very high temperature (50,000 to 100,000 K) exist around the star.
Dravins Dainis
Fredga Kerstin
Gahm Goesta F.
Liseau Rene
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