SOFA (astronomy)
| Stable release |
2018-01-30
/ 2018-01-30 |
|---|---|
| Written in | C and Fortran |
| Operating system | Cross-platform |
| Type | Numerical library |
| License | SOFA Software License |
| Website | http://www.iausofa.org/ |
The SOFA (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 (limited precision)
- Precession, nutation, polar motion
- Proper motion
- Star catalog conversions
- Astrometric transformations
- Galactic Coordinates
Licensing
As of the February 2009 release, SOFA licensing changed to allow use for any purpose, provided certain requirements are met.[1] Previously, commercial usage was specifically excluded and required written agreement of the SOFA board.[2]
See also
References
- ↑ SOFA Software License for Issue 2009-02-01, International Astronomical Union, 2008-09-30, retrieved 2009-09-09 .
- ↑ SOFA Software License for Issue 2008-03-01, International Astronomical Union, 2007-05-21, retrieved 2009-09-09 .
External links
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