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Дата изменения: Mon Dec 23 18:23:59 2013
Дата индексирования: Fri Feb 28 17:13:02 2014
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Documentation: LEDA: parameter: vgsr

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.