The IAU Resolutions on Astronomical Reference Systems, Time Scales, and Earth Rotation Models

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dc.creatorKaplan, George H.
dc.date2006-02-03
dc.date.accessioned2026-07-07T06:57:11Z
dc.date.available2026-07-07T06:57:11Z
dc.descriptionRecent resolutions passed by the International Astronomical Union (IAU) on astronomical reference systems, time scales, and Earth rotation models are the most significant set of international agreements in positional astronomy in several decades. These resolutions, the result of over ten years of international research and study, provide a coherent set of foundational standards for the treatment of astrometric data and the modeling of dynamics in the solar system. This circular explains these resolutions and provides a complete set of practical formulas for their implementation. The six main chapters cover relativity, time scales, the fundamental celestial reference system, ephemerides of solar system bodies, precession and nutation, and modeling the Earth's rotation.
dc.description118 pages, 6 figures. Includes 6 main chapters plus table of contents, introductory material, references, and appendices. Available in hardback print edition and as a high-quality PDF file; see http://aa.usno.navy.mil/publications/docs/Circular_179.html
dc.identifierhttps://arxiv.org/abs/astro-ph/0602086
dc.identifierhttp://arxiv.org/abs/astro-ph/0602086
dc.identifierKaplan, G. H., 2005, U.S. Naval Observatory Circular No. 179 (Washington: USNO)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/106878
dc.subjectAstrophysics
dc.titleThe IAU Resolutions on Astronomical Reference Systems, Time Scales, and Earth Rotation Models
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