1. The discovery was made by making high-precision radial velocity measurements with the High Accuracy Radial Velocity Planet Searcher (HARPS) spectrograph.

발견에 쓰인 관측기구는 HARPS 분광사진기(초정밀 시선속도 행성탐사 분광사진기, High Accuracy Radial Velocity Planet Searcher spectrograph)이었다.