Standards of Fundamental Astronomy
The Standards of Fundamental Astronomy software libraries are a collection of subroutines that implement official International Astronomical Union algorithms for astronomical computations.
As of February 2009 they are available in both Fortran and C source code format.
Capabilities
The subroutines in the libraries cover the following areas:- Calendars
- Time scales
- Earth's rotation and sidereal time
- Ephemerides
- Precession, nutation, polar motion
- Proper motion
- Star catalog conversions
- Astrometric transformations
- Galactic Coordinates