12CO cube of RX J1604.3-2130 A

Transition disks are protoplanetary disks with inner cavities possibly cleared by massive companions. Observing them at high resolution is ideal for mapping their velocity...过渡盘（Transition disks）是一类内部空腔可能被大质量伴天体清空的原行星盘（protoplanetary disks）。对其开展高分辨率观测，是绘制其速度分布的理想途径。