... Solar apex galactic longitude; L 1 is the longitude component of the vertex deviation; v, u, and w are the components of the space velocity of the group centroids with respect to the Sun - the axes are directed toward the Galactic center ( ), in the ...
... The semi-axes grow rapidly, vertex deviations decrease and tend to zero, and solar apex turns and moves close to the direction of Galactic rotation. ...
... slowly rotating halo subsystem and a metal-rich, rather rapidly rotating, thick-disk ... solar circle, have a large velocity dispersion, lower rotational velocities, and ...
... model Our model galaxy consists of a rotating gas disk, stellar disk, and a ... We vary the rotation curve until the initial gas surface density distribution ... The observed rotation curve (RC) of Ho I is known to the accuracy of the inclination ...