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WASP-131 b with ESPRESSO โ I. A bloated sub-Saturn on a polar orbit around a differentially rotating solar-type star
ABSTRACT In this paper, we present observations of two high-resolution transit data sets obtained with ESPRESSO of the bloated sub-Saturn planet WASP-131 b. We have simultaneous photometric observations with NGTS and EulerCam. In addition, we utilized photometric light curves from TESS, WASP, EulerCam, and TRAPPIST of multiple transits to fit โฆ