heyoka.model.rot_icrs_fk5j2000#
- heyoka.model.rot_icrs_fk5j2000(xyz: Iterable[expression]) list[expression]#
- Rotation from ICRS to FK5. - Added in version 7.3.0. - This function will rotate the input Cartesian coordinates xyz from the axes of the ICRS frame to the axes of the FK5 frame at J2000. - Note - The FK5 at J2000 frame is also known as “EME2000”, “Mean Equator and Mean Equinox of the J2000 epoch”, or just “J2000”. - Parameters:
- xyz – the input Cartesian coordinates. 
- Returns:
- the rotated Cartesian coordinates. 
 
