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
- de Vaucouleurs, de Vaucouleurs, & Corwin, Second Reference
Catalogue of Bright Galaxies, U. Texas, page 8.
- Systems & Applied Sciences Corp., Documentation for the
machine-readable version of the above catalogue,
Contract NAS 5-26490.
(These two references give different values for the galactic
longitude of the supergalactic origin. Both are wrong; the
correct value is L2=137.37.)