Velocity gradient and brightness in disc galaxies

For disc galaxies, a close relation exists between the distribution of light and the shape of the rotation curve. We quantify this relation by measuring the inner...对于盘状星系（disc galaxies）而言，其光度分布与旋转曲线（rotation curve）的形态之间存在紧密关联。我们通过测量其内部……来量化这一关联。