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Precession, nutation, polar motion
Structs§
Functions§
- bi00
- Frame bias components, IAU 2000
- bp00
- Frame bias and precession matrices, IAU 2000.
- bp06
- frame bias and precession matrices, IAU 2006
- bpn2xy
- Extract CIP X,Y coordinates from NPB matrix
- c2i00a
- celestial−to−intermediate matrix, IAU 2000A
- c2i00b
- celestial−to−intermediate matrix, IAU 2000B
- c2i06a
- celestial−to−intermediate matrix, IAU 2006/2000A
- c2ibpn
- celestial−to−intermediate matrix, given NPB matrix, IAU 2000
- c2ixy
- celestial−to−intermediate matrix, given X,Y, IAU 2000
- c2ixys
- Celestial−to−intermediate matrix, given X,Y, IAU 2000
- c2t00a
- celestial−to−terrestrial matrix, IAU 2000A
- c2t00b
- celestial−to−terrestrial matrix, IAU 2000B
- c2t06a
- celestial−to−terrestrial matrix, IAU 2006/2000A
- c2tcio
- form CIO−based celestial−to−terrestrial matrix
- c2teqx
- form equinox−based celestial−to−terrestrial matrix
- c2tpe
- celestial−to−terrestrial matrix given nutation, IAU 2000
- c2txy
- celestial−to−terrestrial matrix given CIP, IAU 2000
- eo06a
- equation of the origins, IAU 2006/2000A
- eors
- fw2m
- fw2xy
- Fukushima−Williams angles to X,Y
- ltp
- long−term precession matrix
- ltpb
- long−term precession matrix, including ICRS frame bias
- ltpecl
- long−term precession of the ecliptic
- ltpequ
- long−term precession of the equator
- num00a
- nutation matrix, IAU 2000A
- num00b
- nutation matrix, IAU 2000B
- num06a
- nutation matrix, IAU 2006/2000A
- numat
- Form the matrix of nutation.
- nut00a
- Nutation, IAU 2000A
- nut00b
- nutation, IAU 2000B
- nut06a
- IAU 2000A nutation with adjustments to match the IAU 2006 precession.
- nut80
- nutm80
- nutation matrix, IAU 1980
- obl06
- Mean obliquity of the ecliptic, IAU 2006 precession model.
- obl80
- Mean obliquity of the ecliptic, IAU 1980 model.
- p06e
- precession angles, IAU 2006, equinox based
- pb06
- zeta,z,theta precession angles, IAU 2006, including bias
- pfw06
- Precession angles, IAU 2006 (Fukushima-Williams 4-angle formulation).
- pmat00
- precession matrix (including frame bias), IAU 2000
- pmat06
- PB matrix, IAU 2006
- pmat76
- precession matrix, IAU 1976
- pn00
- Bias/precession/nutation results, IAU 2000
- pn00a
- Bias/precession/nutation, IAU 2000A
- pn00b
- bias/precession/nutation, IAU 2000B
- pn06
- bias/precession/nutation results, IAU 2006
- pn06a
- bias/precession/nutation results, IAU 2006/2000A
- pnm00a
- Classical NPB matrix, IAU 2000A
- pnm00b
- classical NPB matrix, IAU 2000B
- pnm06a
- Classical NPB matrix, IAU 2006/2000A
- pnm80
- precession/nutation matrix, IAU 1976/1980
- pom00
- pr00
- prec76
- accumulated precession angles, IAU 1976
- s00
- the CIO locator s, given X,Y, IAU 2000A
- s00a
- the CIO locator s, IAU 2000A
- s00b
- the CIO locator s, IAU 2000B
- s06
- s06a
- the CIO locator s, IAU 2006/2000A
- sp00
- xy06
- CIP, IAU 2006/2000A, from series
- xys00a
- CIP and s, IAU 2000A
- xys00b
- CIP and s, IAU 2000B
- xys06a
- CIP and s, IAU 2006/2000A