equation_of_equinoxes¶
- rubin_sim.utils.equation_of_equinoxes(d)¶
The equation of equinoxes. See http://aa.usno.navy.mil/faq/docs/GAST.php
@param [in] d is either a numpy array or a number that is Terrestrial Time expressed as an MJD
@param [out] the equation of equinoxes in radians.