Function: skyco Purpose: Transformation between equatorial, galactic, ecliptic and supergalactic coordinates. File: skyco.c Author: K.G. Begeman Use: INTEGER SKYCO ( XIN , Input double precision YIN , Input double precision TYPEIN , Input integer XOUT , Output double precision YOUT , Output double precision TYPEOUT ) Input integer SKYCO 0: transformation successful 5: input sky system unknown 6: output sky system unknown 7: input and output sky system unknown XIN Input X coordinate in degrees. YIN Input Y coordinate in degrees. TYPEIN Type of input coordinates: 1 equatorial (1950.0) 2 galactic 3 ecliptic 4 supergalactic 5 equatorial (2000.0) XOUT Output X coordinate in degrees. YOUT Output Y coordinate in degrees. TYPEOUT Type of output coordinates: 1 equatorial (1950.0) 2 galactic 3 ecliptic 4 supergalactic 5 equatorial (2000.0) Updates: Jul 4, 1989: KGB, Document created. Jan 17, 1990: KGB, Epoche 2000.0 sky system.