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Fig. 1


Maximum transit polarization at 4500 Å for a sample of 405 exoplanets for a SphM atmosphere of the host stars. The dashed line depicts the lower limit of the achievable polarization sensitivity, P = 3 × 10-6. We note that the sensitivity strongly depends on photon flux. The color scale refers to the effective temperature of a particular star. The planet-to-star radius ratios are indicated by the size of the circles.

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