This technique works by taking images of different stars and combining them to create a PSF of a star that closely resembles the star that is being studied for planets.

• 这一技术的工作原理是将拍到的不同恒星的照片组合在一起，形成一个恒星的PSF点分散照片，使其近似正在研究中的行星所围绕的该恒星。