palGalsup palGalsup - Convert from galactic to supergalactic coordinates

Description:
Transformation from IAU 1958 galactic coordinates to de Vaucouleurs supergalactic coordinates.

Invocation:
void palGalsup ( double dl, double db, double $*$dsl, double $*$dsb );

Arguments:

dl = double (Given)
Galactic longitude.
db = double (Given)
Galactic latitude.
dsl = double $*$ (Returned)
Supergalactic longitude.
dsb = double $*$ (Returned)
Supergalactic latitude.

See Also

(These two references give different values for the galactic longitude of the supergalactic origin. Both are wrong; the correct value is L2=137.37.)