1980•The Astrophysical JournalRequires access
Ultraviolet spectroscopy of F and G supergiants with IUE. I - First results of Cepheid variables
S. B. Parsons
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Abstract
The analysis deals with the bright Cepheids observed from the IUE satellite, over several days, at a speed and spectral resolution suitable to study both the cores of Mg II at 2796 and 2803 A and the presence and strength of the more prominent emission lines in the far ultraviolet. The observations are discussed in some detail. Some qualitative results are examined.