| Description: |
This package provides IERS Earth Rotation and Leap Second tables for the
astropy.utils.iers package.
There the following IERS data products are included:
* Bulletin A (IERS_A) is updated weekly and has historical data starting from
1973 and predictive data for 1 year into the future. It contains Earth
orientation parameters x/y pole, UT1-UTC and their errors at daily intervals.
* Bulletin B (IERS_B) is updated monthly and has data from 1962 up to the time
when it is generated. This file contains Earth’s orientation in the IERS
Reference System including Universal Time, coordinates of the terrestrial
pole, and celestial pole offsets.
The package also provides leap second data.
Note: This package is not currently meant to be used directly by users, and
only meant to be used from the core Astropy package. |
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