Spectroscopic binary orbits from ultraviolet radial velocities. IX - Y Cygni (HD 198846)

Details Spectroscopic binary orbits from ultraviolet radial velocities. IX - Y Cygni (HD 198846) Spectroscopic binary orbits from ultraviolet radial velocities. IX - Y Cygni (HD 198846)

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992obs...112..150s&link_type=abstract

The Observatory (ISSN 0029-7704), vol. 112, no. 1109, p. 150-157.

Astronomy and Astrophysics

Astronomy

16

Binary Stars, Celestial Mechanics, Stellar Orbits, Stellar Spectra, Astronomical Photometry, Astronomical Spectroscopy, Ultraviolet Astronomy

Scientific paper

The paper presents spectroscopic binary orbits of Y Cygni obtained from the results of a three-day observations (covering 16 hours of each day) of this eclipsing binary, made by the IUE satellite at the end of May 1990. Full cross-correlation reduction of high-dispersion spectra secured over the three days allowed the production of an orbital solution with a precision comparable to the best results obtained from the ground. Spectroscopic determination of apsidal motion, yields a value very similar to that obtained by Gimenez et al. (1987).

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