Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a....99..166d&link_type=abstract
Astronomy and Astrophysics, vol. 99, no. 1, June 1981, p. 166-172. Deutsche Forschungsgemeinschaft
Astronomy and Astrophysics
Astronomy
13
Eclipsing Binary Stars, Novae, Stellar Spectrophotometry, Ultraviolet Astronomy, Visual Observation, Emission Spectra, Iue, Line Spectra, Spaceborne Astronomy, Ultraviolet Spectroscopy, White Dwarf Stars
Scientific paper
Continuous photometric and ultraviolet spectroscopic observations of the old nova V 603 Aql (1918) were simultaneously carried out with the IUE satellite. Periodic visible light variations with an amplitude of about 0.3 m were discovered, and an orbital period of 3h18.3m was derived. The UV spectroscopy revealed strong variations of the emission line strengths and profiles of several ions which are clearly correlated with the phase of the binary system. The UV line spectrum suggests the existence of an accretion disk around the white dwarf and the presence of highly diluted gas surrounding the entire system.
Drechsel Horst
Holm Albert
Krautter Joachim
Rahe Juergen
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