Fig. 1
O−Clin,2 residuals of the mid-eclipse times from the linear ephemeris used by Lee et al. (2009) along with their model curves for the two-companion model (solid) and the underlying quadratic ephemeris (dashed). The data are from SAAO (green), Wood et al. (cyan blue), Lee et al. (yellow), BAV and VSNET (magenta), AAVSO (blue), BRNO (red), and MONET/North (green).
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