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A possible misaligned orbit for the young planet AU Mic c
Aigrain, S.; Alonso, R.; Deleuil, M. +98 more
The AU Microscopii planetary system is only 24 Myr old, and its geometry may provide clues about the early dynamical history of planetary systems. Here, we present the first measurement of the Rossiter-McLaughlin effect for the warm sub-Neptune AU Mic c, using two transits observed simultaneously with the European Southern Observatory's (ESO's) Ve…
Constraining the scattered light properties of LTT 9779 b using HST/WFC3 UVIS
Wakeford, Hannah R.; Cowan, Nicolas B.; Parmentier, Vivien +5 more
A planet's albedo is a fundamental property that sets its energy budget by dictating the fraction of incident radiation absorbed versus reflected back to space. Generally, optical eclipse observations have revealed the majority of hot, giant planets to have low albedos, indicating dayside atmospheres dominated by absorption instead of reflection. …