%generate the rotation matrix rg, to transform
% 1950 ra, dec, to galactic coordinates.
rg(1,1) = -0.066989;
rg(1,2) = -0.872756;
rg(1,3) = -0.483539;
rg(2,1) =  0.492728;
rg(2,2) = -0.450347;
rg(2,3) =  0.744585;
rg(3,1) = -0.867601;
rg(3,2) = -0.188375;
rg(3,3) =  0.460200;
