Colors of the Outer Solar System Origins Survey

The Colours of the Outer Solar System Origins Survey is acquiring near-simultaneous g, r, and J photometry of unprecedented precision with the Gemini North Telescope, targeting...外太阳系起源巡天（Colours of the Outer Solar System Origins Survey）正依托北双子座望远镜，以前所未有的精度获取g、r、J波段的近同时测光数据，其观测目标为……