Fig. 3
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Simulated light curves for 1 R⊕ (green), 1.5 R⊕ (blue), 1.8 R⊕ (red), and 2 R⊕ (black) planets transiting the October 23, 2014 Sun at latitudes −15° (a), −17° (b), and −21° (c). The orbital period and semimajor axis are 5.362 d and 0.06 au, respectively, and the observing cadence is 25 sec. The light blue and orange arrows point to the umbrae and penumbrae, respectively.
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