The curious case of 2MASS J15594729+4403595, an ultra-fast M2 dwarf with possible Rieger cycles

S. Messina, G. Catanzaro, A. F. Lanza +4

RACE-OC (Rotation and ACtivity Evolution in Open Clusters) is a project aimed at characterising the rotational and magnetic activity properties of the late-type members of open clu…