File: C:/Users/fred/anaconda3/Lib/site-packages/astropy_iers_data/data/ReadMe.eopc04
Table: eopc04.1962-now
================================================================================
from https://hpiers.obspm.fr/iers/eop/eopc04/eopc04.1962-now
# EARTH ORIENTATION PARAMETER (EOP) PRODUCT CENTER CENTER (PARIS OBSERVATORY) - INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE
# EOP (IERS) 20 C04 TIME SERIES consistent with ITRF 2020 - sampled at 0h UTC
# Contact: [email protected]
# Reference Precession-Nutation Model: IAU 2000
# format(4(i4),f10.2,2(f12.6),f12.7,2(f12.6),2(f12.6),f12.7,2(f12.6),f12.7,2(f12.6),2(f12.6),f12.7)
# YR MM DD HH MJD x(") y(") UT1-UTC(s) dX(") dY(") xrt(") yrt(") LOD(s) x Er y Er UT1-UTC Er dX Er dY Er xrt Er yrt Er LOD Er
1962 1 1 0 37665.00 -0.012700 0.213000 0.0326338 0.000000 0.000000 0.000000 0.000000 0.0017230 0.030000 0.030000 0.0020000 0.004774 0.002000 0.000000 0.000000 0.0014000
# 345678901234567890123456789012345678901234567890123456789012345678901234567890
================================================================================
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file, made using header
eopc04.1962-now 218 22301 All EOP values since 01 January 1962
--------------------------------------------------------------------------------
================================================================================
Byte-by-byte Description of file: *
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 4 I4 --- year Calendar year
5- 8 I4 --- month Month
9- 12 I4 --- day Day of month
13- 16 I4 --- hour Hour UTC
17- 26 F10.2 d MJD Modified Julian Date
27- 38 F12.6 arcsec PM_x Pole coordinate x
39- 50 F12.6 arcsec PM_y Pole coordinate y
51- 62 F12.7 s UT1_UTC Difference UT1-UTC
63- 74 F12.6 arcsec dX_2000A Pole offset dX wrt IAU2000A Nutation
75- 86 F12.6 arcsec dY_2000A Pole offset dY wrt IAU2000A Nutation
87- 98 F12.6 arcsec/d PM_x_dot Pole coordinate rate x
99-110 F12.6 arcsec/d PM_y_dot Pole coordinate rate y
111-122 F12.7 s LOD Length of day offset
123-134 F12.6 arcsec e_PM_x Error in PM_x
135-146 F12.6 arcsec e_PM_y Error in PM_y
147-158 F12.7 s e_UT1_UTC Error in UT1_UTC
159-170 F12.6 arcsec e_dX_2000A Error in dX_2000A
171-182 F12.6 arcsec e_dY_2000A Error in dY_2000A
183-194 F12.6 arcsec/d e_PM_x_dot Error in PM_x_dot
195-206 F12.6 arcsec/d e_PM_y_dot Error in PM_y_dot
207-218 F12.7 s e_LOD Error in LOD
--------------------------------------------------------------------------------