An improved spectroscopic orbit for HD 75767

Details An improved spectroscopic orbit for HD 75767 An improved spectroscopic orbit for HD 75767

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991basi...19..183g&link_type=abstract

Astronomical Society of India, Bulletin (ISSN 0304-9523), vol. 19, no. 3-4, p. 183-192.

Astronomy and Astrophysics

Astronomy

2

Binary Stars, Radial Velocity, Stellar Motions, Stellar Orbits, Orbital Elements, Stellar Parallax, Stellar Spectra

Scientific paper

HD 75767 is a sixth-magnitude solar-type star for which Sanford gave an orbit in 1931 on the basis of 37 low-dispersion Mount Wilson spectrograms. The orbit has a period of 10 days and was attributed a small eccentricity. During the last few years the radial velocity of the object has been measured photoelectrically on 60 occasions, allowing the orbital elements to be considerably refined; the eccentricity is shown to be very close (and quite likely equal) to zero.

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