Doppler images of σ Gem for three subsequent data sets S1, S2, and S3 (from top to bottom, respectively) in 2006−07. The corresponding mid-HJDs are 2 454 018.16, 2 454 061.38, and 2 454 092.50, respectively. Maps are shown in spherical projection in four quadrants with colorbars for the given temperature scale.
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