Astronomy Library

This is the index page for the Astronomy Library of 189 routines for SOFA Library Issue 2021-01-25 for ANSI C. The Astronomy Library has the following sections:

• Astrometry (36)
• Calendars (7)
• Time Scales (20)
• Ecliptic Coordinates (6)
• Earth Rotation and Sidereal Time (15)
• Ephemerides (2)
• Fundamental Arguments (14)
• Galactic Coordinates (2)
• Geocentric/Geodetic Transformations (5)
• Gnomonic Projections (6)
• Horizon/Equatorial Coordinates (3)
• Precession/Nutation/Polar Motion (64)
• Star Catalog Conversions (9)