Radial velocity (cz) with respect to the GSR: vgsr
The radial velocity corrected to the galactic center vgsr
(cz in km/s)
is obtained by a correction of the motion of the Sun with respect to the
local standard of rest (LSR) and a correction of the LSR motion with
respect to the galactic center. The resulting correction is:
vgsr = v + 232 sin(al2) cos(ab2) + 9 cos(al2) cos(ab2) + 7 sin (ab2)
Where al2 and ab2 are the Galactic coordinates (longitude and latitude) and
v is the radial (cz) velocity in km/s given as parameter v
vsgr is available for 137010 galaxies
(May 2003 version of the database).
Other velocities in the database are:
vrad,
vopt,
v,
vlg,
vvir,
v3k.