11 12 13 14 15 R$_{1.4}$ (km) 0.3 0.6 0.9 1.2 f crit  (kHz) G$_{V}$=0 G$_{V}$=0.1G$_{S}$ APR SLY4 BSR10 TM1 NL3 G$_{D}$=1.2G$_{S}$ FIG. 8: (Color online) Correlations between values of f$_{crit}$ for the hybrid stars and the radius R$_{1}$$_{.}$$_{4}$ for the neutron star with canonical mass as listed in Table I. 20