Fig. 18.
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Companion properties explaining the observed orbital velocity anomaly of 61 Cyg AB. The regions excluded from radial velocity data by Howard & Fulton (2016) (stars A and B) and from imaging by Heinze et al. (2010) (star B only) are shown in shaded blue and orange, respectively. The unstable domain from interactions with the other component of 61 Cyg (Musielak et al. 2005) is shown in light magenta.
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