Photoelectric radial velocities. XI - The orbits of four more spectroscopic binaries in the Clube Selected Areas

Astronomy and Astrophysics – Astronomy

Scientific paper

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Binary Stars, Orbital Elements, Radial Velocity, Stellar Motions, Astronomical Photography, Electrophotometry, Photoelectricity

Scientific paper

Orbits are presented for four ninth-magnitude stars about which the only
spectroscopic datum previously known is the HD type, K0 in each case.
The most interesting of the four stars is perhaps HD 145677, whose lack
of proper motion suggests a high luminosity, which is hardly compatible
with the shortness (4.4 days) of its orbital period.

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