IERS_B

class astropy.utils.iers.IERS_B(data=None, masked=False, names=None, dtype=None, meta=None, copy=True, rows=None, copy_indices=True, units=None, descriptions=None, **kwargs)[source]

Bases: astropy.utils.iers.IERS

IERS Table class targeted to IERS B, provided by IERS itself.

These are final values; see https://www.iers.org/IERS/EN/Home/home_node.html

Notes

If the package IERS B file (`iers.IERS_B_FILE) is out of date, a new version can be downloaded from iers.IERS_B_URL.

Attributes Summary

iers_table

Methods Summary

dcip_source(self, i) Set CIP correction source flag for entries in IERS table
pm_source(self, i) Set PM source flag for entries in IERS table
read([file, readme, data_start]) Read IERS-B table from a eopc04_iau2000.* file provided by IERS.
ut1_utc_source(self, i) Set UT1-UTC source flag for entries in IERS table

Attributes Documentation

iers_table = None

Methods Documentation

dcip_source(self, i)[source]

Set CIP correction source flag for entries in IERS table

pm_source(self, i)[source]

Set PM source flag for entries in IERS table

classmethod read(file=None, readme=None, data_start=14)[source]

Read IERS-B table from a eopc04_iau2000.* file provided by IERS.

Parameters:
file : str

full path to ascii file holding IERS-B data. Defaults to package version, iers.IERS_B_FILE.

readme : str

full path to ascii file holding CDS-style readme. Defaults to package version, iers.IERS_B_README.

data_start : int

starting row. Default is 14, appropriate for standard IERS files.

Returns:
IERS_B class instance
ut1_utc_source(self, i)[source]

Set UT1-UTC source flag for entries in IERS table