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Transforming Celestial to Terrestrial Frames
| Fundamentals | |
|---|---|
| Title | Transforming Celestial to Terrestrial Frames |
| Author(s) | J. Sanz Subirana, JM. Juan Zornoza and M. Hernandez-Pajares, University of Catalunia, Spain. |
| Level | Medium |
| Year of Publication | 2011 |
The procedure to perform an accurate transformation between the coordinate frames ICRF and ITRF is provided as follows (see Transformation between Celestial and Terrestrial Frames)
To simplify a little bit the explanations, the equations and parameters provided in these articles implement the IAU 1976 and IAU 1980 precession and nutation models, respectively (see the IERS conventions 1996 [Denis and McCarthy., 1996][1]). Nevertheless, the IAU resolution B16, recommended that beginning 1 January 2003, the previous models be replaced by the new IAU 2000 model. Procedures and equations implementing such transformations are described in the IERS conventions 2003 [Denis et al., 2004] [2]. The IERS documents and software routines can be found in ftp://maia.usno.navy.mil/conv2003/chapter5/.
References
- ^ [Denis and McCarthy., 1996] Denis, D. and McCarthy., 1996. IERS Conventions (1996). IERS Technical Note 21. IERS Convention Center., US Naval Observatory.
- ^ [Denis et al., 2004] Denis, D., McCarthy and Petit, G., 2004. IERS Conventions (2003). IERS Technical Note 32.. IERS Convention Center., Frankfurt am Main.