Revised orbital elements for the spectroscopic binary HD 92000 (36 Leo Minoris)

Details Revised orbital elements for the spectroscopic binary HD 92000 (36 Leo Minoris) Revised orbital elements for the spectroscopic binary HD 92000 (36 Leo Minoris)

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jrasc..77..241b&link_type=abstract

Journal of the Royal Astronomical Society of Canada (ISSN 0035-872X), vol. 77, Oct. 1983, p. 241-245.

Astronomy and Astrophysics

Astronomy

Binary Stars, Late Stars, Orbital Elements, Stellar Motions, Radial Velocity, Stellar Spectra

Scientific paper

Because the velocity of the late type, long period spectroscopic binary HD 92000 changes quickly from its greatest to its minimum value, the orbital period can be accurately determined from any series of observations that covers the downward branch of the velocity curve twice. The present observations fulfill this condition, and are more precise than those of Christie (1934). The orbital elements of the star are derived. No trace of the secondary spectrum could be detected, even with reticon observations made near the time of maximum velocity difference between components. The earlier suggestion that residuals of the radial velocity from the computed orbit contain a periodic term is not confirmed.

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