Beryllium abundances in parent stars of extrasolar planets: 16 Cyg A & B and rho 1 Cnc

R. J. Garcia Lopez, M. R. Perez de Taoro

The Be II 3131 A doublet has been observed in the solar-type stars 16 Cyg A & B and in the late G-type star rho 1 Cnc, to derive their beryllium abundances. 16 Cyg A & B show simil…