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15.5.66 c2ixy

c2ixy(jdtt, x, y)

[SOFA] Returns the celestial-to-intermediate-frame-of-date matrix for TT Julian Dates jdtt and Celestial Intermediate Pole coordinates x and y (components of the unit vector in the Geocentric Celestial Reference System), for IAU 2000 models. jdtt may be a numerical scalar or array. The dimensions of rbpn must be equal to those of jdtt but with two dimensions equal to 3 prefixed. The returned array has the same dimensions as rbpn.

See also: c2ixys, Astronomical Coordinate Calculations