[vsnet-chat 712] Re: CVs in triple systems?

[munari@astras.pd.astro.it (Ulisse Munari)]

a possible CV in a symbiotic binary is the case of PU Vul
(cf. Kolotilov, Munari & Yudin 1995, MNRAS 275, 185).
The CV-like component is the inner binary eclipsed every
4920 days by the far out orbiting M giant
The evidences are however still tentative. Even weaker is
the case of CH Cyg. Some anomalous scatter in the radial velocities 
along the orbit of EG And have been taken to possibly reveal the presence
of a third body, but the detection is at 1 sigma the dispersion of
the radial velocities along the computed orbit.

    Ulisse Munari, Padova & Asiago Observatories

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