Formation Site of a Giant Planetary System

Dust and gas disk around HD142527. The dust and gas distributions observed by ALMA are shown in red and green, respectively. Near-infrared image taken by the NAOJ Subaru Telescope is shown in blue. The image clearly shows that the dust is concentrated in the northern (upper) part of the disk. Credit: ALMA (ESO/NAOJ/NRAO), NAOJ, Fukagawa et al.