Fig. 18
Hα equivalentwidths in HEROS (Tubbesing et al. 2000, and unpublished; JD < 2 453 000) and BeSS (Neiner et al. 2011; JD > 2 453 000) spectra. Negative values mean net line emission. The 1σ scatter around JD 2452 000 is 0.5 Å; for BeSS errors see Fig. 20. The short red horizontal bars near the top right corner denote the BRITE observations. The long blue bar spans the SMEI observations.
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