New CHEOPS transits show AU Mic c's mid-transit times shifted ~80 minutes later by 2023, and a dynamical model attributes the timing variations to a 0.203 Earth-mass planet d on a ~12.6-day orbit.
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Transit-timing variations in the AU Mic system observed with CHEOPS
New CHEOPS transits show AU Mic c's mid-transit times shifted ~80 minutes later by 2023, and a dynamical model attributes the timing variations to a 0.203 Earth-mass planet d on a ~12.6-day orbit.