EOP C04 (IAU2000) yearly files - Product metadata 

Link to all available versions

Content

Earth orientation parameters: x/y pole, UT1-UTC, LOD, dX, dY (smoothed values at 1-day intervals) with respect to IAU 2000A precession-nutation model.

EOP C 04 is no longer being updated and is presented here for historical reasons only. See EOP 05 C04 for the new version of this series.

The data are stored in yearly files since 1962 and in one file 1962-now.

Format

ASCII

Format Description

2X,A4,I3,2X,I5,2F9.6,F10.7,2X,F10.7,2X,2F9.5

Documentation

http://hpiers.obspm.fr/eoppc/eop/eopc04/EOPC04.GUIDE
http://hpiers.obspm.fr/eoppc/eop/eopc04/eopc04-xy.gif (C04 polar motion plot)
http://hpiers.obspm.fr/eoppc/eop/eopc04/eopc04-lod.gif (C04 LOD plot)

Title

EOP C 04 series of the Earth orientation parameters with respect to IAU2000A precession/nutation model

Data

Month [mmm], Day [dd], MJD, x ["], y ["], UT1-UTC [s], LOD [s], dX ["], dY ["]

Time Intervall

1 day

Accuracy

Cf. http://hpiers.obspm.fr/eoppc/eop/eopc04/EOPC04.GUIDE

Keywords

EOP, Long term series, C04, IAU2000A

Frequency

bi-weekly

Created by

IERS Earth Orientation Centre

Published by

IERS Earth Orientation Centre

Contact

services.iers@obspm.fr

Distribution

onLine