NGC 6221 ionized gas kinematics

Rotation curves and velocity dispersion profiles are presented for both the stellar and gaseous components along five different position angles (PA =5{deg}, 50{deg}, 95{deg},...针对五个不同位置角（PA=5°、50°、95°……），本数据集呈现了恒星与气体组分的旋转曲线及速度弥散轮廓。