Contribution to the study of composite spectra - IX. Spectroscopic orbital elements of 10 systems*

Details Contribution to the study of composite spectra - IX. Spectroscopic orbital elements of 10 systems* Contribution to the study of composite spectra - IX. Spectroscopic orbital elements of 10 systems*

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003mnras.342.1271c&link_type=abstract

Monthly Notice of the Royal Astronomical Society, Volume 342, Issue 4, pp. 1271-1279.

Astronomy and Astrophysics

Astronomy

3

Binaries: Spectroscopic

Scientific paper

We present the results of a radial-velocity study of 10 spectroscopic binaries with composite spectra that were observed at Observatoire de Haute-Provence with the CORAVEL instrument. Those systems, including a cool, evolved, primary and a hot secondary of type B or A, were found to be spectroscopic binaries. We computed their orbital elements for the first time. For three systems, the large mass function implies i~ 90°, with the possibility of eclipses. Mean angular separations are very small (a<= 0.010 arcsec), which makes those systems resolvable only with multi-pupil large interferometers.

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