Standards of Fundamental Astronomy - Home
SOFA - Standards of Fundamental Astronomy: ANSI C and Fortran 77 libraries providing
an authoritative set of algorithms and procedures implementing standard models used in fundamental astronomy
IAU, SOFA, authoritative algorithms, fundamental astronomy, standard models, ANSI C, Fortran 77, canonical routines, precession, nutation, sidereal time, calendars, time scales, astrometry, earth rotation, ephemerides, geocentric geodetic transformations
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