HD 213240 b
HD 213240 b is an extrasolar planet located approximately 133 light-years (41 parsecs) from the Solar System in the constellation of Grus. It is a gas giant orbiting the G-type star HD 213240. The planet was discovered in 2001 in the context of the CORALIE extra-solar planet search program. It was described in a 2001 publication by astronomers N. C. Santos, M. Mayor, D. Naef, F. Pepe, D. Queloz, S. Udry and M. Burnet of Observatoire de Genève, Switzerland. Doppler spectroscopy was used.