Fig. 2.
Top: TESS light curve of HD 5980. The continuous and dashed vertical lines mark times of the periastron passage of the A–B and C–D systems, respectively, both calculated from the ephemerides given by Koenigsberger et al. (2014). For the latter system, shaded band stands for ±1σ error. Middle: PHOEBE 2 model of the TESS light curve of HD 5980. Details of modelling are given in the text. Bottom: zoom of the model shown in the middle panel. For comparison, Kumar’s model generated with the same orbital parameters is shown with the light red line.
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