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DOCUMENTS AND DATA

Semi-analytical developments for precession and nutation

1) REN2000 Nutation for a rigid Earth
(see Souchay et al. 1999, A& AS, 135, 111)

• Nutation series relative to the figure axis : dψ, dε

2) IAU 2000A Expressions based on the Nutation series of Mathews et al. 2002 (J. Geophys. R. 107(B4))
(see Capitaine et al. 2003, A& A 400, 1145; Capitaine et al. 2003, A& A 406, 1135)

• Celestial coordinates of the CIP based on the IAU2000A precession-nutation model : X coordinate, Y coordinate
   
• Quantity s based on the IAU2000A precession-nutation model
   
• Greenwich Sideral Time based on the IAU2000A precession-nutation model
   

3) IAU 2006/2000A Expressions
(see Capitaine et al. 2003, A& A 412, 567, Capitaine et al. 2006, A& A 450, 855, Wallace & Capitaine, 2006, A& A 459, 981)

• Expression for the X coordinate of the CIP in the GCRS based on the IAU 2006 precession and IAU 2000A_R06 nutation
   
• Expression for the Y coordinate of the CIP in the GCRS based on the IAU 2006 precession and IAU 2000A_R06 nutation
   
• Expression for the quantity s(t)+XY/2 based on the IAU 2006 precession and IAU 2000A_R06 nutation (ensuring continuity of UT1 on 1st January 2003)
   
• ERA-based expression for for Greenwich Sidereal Time (GST) based on the IAU 2006 precession and IAU 2000A_R06 nutation
   
• Expresssions for the difference between the IAU 2006 and IAU 2000A expressions for X and Y, Dpsi and Deps
   
• Nutation in longitude (IAU 2000_R06 expression) derived from the IAU 2000A lunisolar and planetary components with slight IAU 2006 adjustments
   
• Nutation in obliquity (IAU 2000_R06 expression) derived from the IAU 2000A lunisolar and planetary components with slight IAU 2006 adjustments
   

FORTRAN subroutines

• Conversion of total nutation angles dpsi, deps to X, Y
   
• Conversion of observed dpsi, deps to X, Y, with celestial pole offsets refered to the IAU1980 model
   
• Conversion of offsets dpsi, deps to dX, dY, to be used with celestial pole offsets refered to the IAU2000A model
   
• Conversion of offsets dX, dY to dpsi, deps, to be used with celestial pole offsets refered to the IAU2000A model
   

Related documents

• CIP and CEO, A&A 400, pp. 1145-1154 (2003)
   
• TEO, A&A 394, pp. 317-321 (2002)
   
• IAU 2000 UT1, A&A 406, pp. 1135-1149 (2003)
   
• P03 Precession, A&A 412, pp. 567-586 (2003)
   
• Precession models comparison, A&A 421, pp. 365-379 (2004)
   
• Zonal deformations and precession-nutation, A&A 428, 255-260 (2004)
   
• Precession, nutation and the Earth's variable gravity field, A&A 428, 691-702 (2004)
   
• Choices for improved precession models, Contribution to the Precession WG, 7 January 2004
   
• The VLBI contribution to precession (present and future), PPT presentation at the Third IVS Meeting, Ottawa, February 2004
   
• Effects of the VLBI procedure on the estimated quantities for precession, nutation and UT1, PPT presentation at the IVS Analysis Workshop, Ottawa, February 2004
   

Jounées Systèmes de Référence Spatio-Temporels

JSR 2001 (Sept. 2001, Brussels, Belgium)

• Atmospheric and oceanic forcing in polar motion and length-of-day
  C. Bizouard and S. Lambert
   
• How much may one "cheat" the non-rigid Earth nutation theory to make it match VLBI results ?
  M. Feissel, M. Yseboodt, V. Dehant, O. de Viron and C. Bizouard
   

Systèmes de Référence Relativistes

GREX (Oct. 2002, Pisa, Italy)

• Time transfer and frequency shift up to the order 1/c⁴ in the field of an axisymmetric, rotating body
  B. Linet, P. Teyssandier
   

IAU

• IAU resolutions