.nf
/VELOCITY  referenceFrame velocity

Specify reference frame and source radial velocity 

Character :: referenceFrame    ! reference system for velocity
Real      :: velocity          ! in units [km/s]

Choices for referenceFrame:
"LSR"                 
"barycentric"
"heliocentric"

<<TBD: not yet supported:    >>
<<TBD: "3K"                  >>
<<TBD: "galactocentric"      >>
<<TBD: "body"                >>
<<TBD: "geocentric"          >>
<<TBD: "topocentric"         >>
<<TBD: "null"                >>

.so nroffSoSubtopics/doppler.nroff
.fi

