Fig. 9

Starspot temperature contrast with respect to the photospheric temperature in several dwarf stars. The name and spectral type of the star are also reported. The values for TrES-1, CoRoT-2, HD 189733, WASP-4, HATS-2, Kepler-63, Qatar-2 are taken from Rabus et al. (2009), Silva-Valio et al. (2010), Sing et al. (2011), Sanchis-Ojeda et al. (2011), Mohler-Fischer et al. (2013), Sanchis-Ojeda et al. (2013), Mancini et al. (2014), respectively. The two values for WASP-19 are from Mancini et al. (2013b) and Huitson et al. (2013). The value of the Sun was taken from Berdyugina (2005). The error bars have been suppressed for clarity. Note that some stars appear twice or more. The black dots refer to the values estimated for the case of HAT-P-36 (this work). In particular, the lower is the value estimated by taking the weighted mean from the starpots detected with the Cassini telescope in April 2013, while the higher value was calculated from starpots detected with the CA 1.23 m telescope in April 2014.
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