HARPS-N radial velocities of KOI-70

Kepler-20 is a solar-type star (V=12.5) hosting a compact system of five transiting planets, all packed within the orbital distance of Mercury in our own solar system. A...开普勒-20（Kepler-20）是一颗视星等V=12.5的类太阳恒星，拥有一个由5颗凌日行星（transiting planets）组成的紧凑行星系统，所有行星的轨道均处于太阳系水星的轨道范围之内。A...