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Fig. 7.

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Phase-folded TESS light curves of BD+60° 497 along with our best eBEER + TEO model (blue curve, see Sect. 5.2). Phase 0.0 corresponds to periastron passage (t0 = 2456682.7, Panom = 3.95984 d, see Table 1). Conjunction with the primary star in front occurred at phases 0.030, 0.992 and 0.967 respectively in Sectors 18, 58, and 85 and 86 (red short-dashed vertical lines). Conjunction with the secondary star in front occurred at phases 0.554, 0.486 and 0.441 respectively in Sectors 18, 58, and 85 and 86 (red long-dashed vertical lines). The eBEER model was computed using the RV dataset 2 orbital solution from Table 1. We assumed an orbital inclination i = 45° and radii of 9.8 and 7.3 R for the primary and secondary stars. The albedo coefficient of both stars was 0.3. The best-fit TEOs have A2 = 4.4 mmag, ψ2 = 2.39 rad, A3 = 2.4 mmag and ψ3 = 3.39 rad.

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