SOFA banner

  Astronomy Library - Ecliptic Coordinates

This is the index page for the Ecliptic Coordinates section of the Astronomy Library for SOFA Library Issue 2019-07-22 for Fortran 77. The Ecliptic Coordinates section includes the following routines:

ECEQ06— Ecliptic coordinates to ICRS RA,Dec, using IAU 2006 precession model
ECM06— ICRS equatorial to ecliptic rotation matrix, IAU 2006
EQEC06— ICRS equatorial coordinates to ecliptic coordinates using IAU 2006 precession model
LTECEQ— Ecliptic coordinates to ICRS RA,Dec, using long-term precession model
LTECM— ICRS equatorial to ecliptic rotation matrix, long-term precession
LTEQEC— ICRS equatorial coordinates to ecliptic coordinates using long-term precession model
@ IAU SOFA Center
Copyright © 2001-2019 International Astronomical Union
Last modified: 2019 July 22