Fig. 5.
Light curve of V646 Pup gathered during the first TESS orbit, with consecutive variability patterns indicated by different symbols (panel a). It is similar to FU Ori observed by MOST in 2013–2014 (panel b). Phase dispersion minimanisation period search based on θ statistics indicates 4.8 ± 0.2 day period (panel c). Last panel d shows the same data as the first panel, phased with the above value.
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