dispos

ginga.util.wcs.dispos(dra0, decd0, dra, decd)[source]

Compute distance and position angle solving a spherical triangle (no approximations).

Source/credit: Skycat Author: A.P. Martinez

Parameters
dra0float

Center RA in decimal degrees.

decd0float

Center DEC in decimal degrees.

drafloat

Point RA in decimal degrees.

decdfloat

Point DEC in decimal degrees.

Returns
phifloat

Phi in degrees (East of North).

distfloat

Distance in arcmin.