EOP

class pride.coordinates.EOP(bulletin: Literal['A', 'B'], initial_epoch: astropy.time.Time, final_epoch: astropy.time.Time)

Earth Orientation Parameters

static from_experiment(experiment: pride.experiment.experiment.Experiment) → EOP

at_epoch(epoch: astropy.time.Time, unit: Literal['rad', 'arcsec'] = 'arcsec') → numpy.ndarray

Interpolate EOPs at given epoch

Returns interpolated EOPs corrected for oceanic tides and libration effects. Corrections are computed using a the INTERP.F program, described in section 5.5.1 of the IERS Conventions (2010) and available at https://hpiers.obspm.fr/eop-pc/index.php?index=FTP&lang=en

Parameters:

• epoch – UTC epochs at which to interpolate EOPs

• unit – Units of output EOPs. Options are ‘arcsec’ and ‘rad’

Returns:

Interpolated EOPs as a (5, N) array. The order of EOPs is UT1-UTC, X, Y, dX, dY