iers_interp

ssapy.utils.iers_interp(t)

Interpolate IERS values

Parameters:

t (float or astropy.time.Time) – If float or array of float, then should correspond to GPS seconds; i.e., seconds since 1980-01-06 00:00:00 UTC

Returns:

• dut1 (array_like (n)) – Time difference UT1 - TT in days.

• pmx, pmy (array_like (n)) – Polar motion values in radians.