Kinematic age

Reference :
https://iopscience.iop.org/article/10.3847/1538-3881/abe4d6/pdf

Kinematic ages are the age of stars measured independently of any stellar physics and only rely on the simple assumption that the vertical velocity dispersion of stars increase over time.

Kinematic ages 是基于恒星垂直于盘的方向的速度弥散随年龄增长而增大的假设测量的速度，不依赖于具体恒星演化模型。