Fig. 1.
Panel a: AAVSO (black dots) and ASAS (red dots) V-magnitude light curve. Arrows mark the dates when RT Cru was observed with Chandra, Suzaku NuSTAR, LNA and SMARTS. Panel b: Swift BAT 153-months light curve with 100 days bin size in the energy range 15–85 keV; panel c: Swift/BAT Hardness ratio (15–25/25–45 keV); panel d: Swift/XRT light curve in the energy range 0.3–10 keV.
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