TY - JOUR AU - Fossati, L. AU - Ingrassia, S. AU - Lanza, A. F. DA - 2015/06/15/ DO - 10.1088/2041-8205/812/2/L35 JF - Astrophys. J. Lett. PY - 2015 SE - 2015/06/15/ SP - L35 TI - A bimodal correlation between host star chromospheric emission and the surface gravity of hot Jupiters VL - 812 ER -