Fig. 3
Panel a) plot of the residuals of the timings of mid-transit of HAT-P-8 b versus a linear ephemeris. The timings in black are from this work, orange from Latham et al. (2009), green from Moutou et al. (2011), red from Todorov et al. (2012), and blue from Hormuth (TRESCA). The other timings obtained by amateur astronomers are plotted using open circles. Panels b) and c) are zooms in to the two best sampled regions.
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