Infrared Spectroscopy of Symbiotic Stars. XI. Orbits for southern S-type systems: Hen 3-461, SY Mus, Hen 3-828, and AR Pav
Employing new infrared radial velocities, we have computed spectroscopic orbits of the cool giants in four southern S-type symbiotic systems. The orbits for two of the systems, Hen 3-461 and Hen 3-828, have been determined for the first time, while orbits of the other two, SY Mus and AR Pav, have previously been determined. For the latter two systems, we compare our results with those in the literature. The low mass of the secondary of SY Mus suggests that it has gone through a common envelope...[Show more]
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