Space-Time Reference Systems - Michael Soffel, Ralf Langhans

Space-Time Reference Systems

Buch | Softcover
XIV, 314 Seiten
2014 | 2013
Springer Berlin (Verlag)
978-3-642-44313-8 (ISBN)
93,08 inkl. MwSt
This book covers the development and application of highly precise astronomical space-time reference systems that refer to remote celestial objects rather than the motion of the Earth. Includes exercises with solutions, and illustrative files created in Maple.

The high accuracy of modern astronomical spatial-temporal reference systems has made them considerably complex. This book offers a comprehensive overview of such systems. It begins with a discussion of 'The Problem of Time', including recent developments in the art of clock making (e.g., optical clocks) and various time scales. The authors address the definitions and realization of spatial coordinates by reference to remote celestial objects such as quasars. After an extensive treatment of classical equinox-based coordinates, new paradigms for setting up a celestial reference system are introduced that no longer refer to the translational and rotational motion of the Earth. The role of relativity in the definition and realization of such systems is clarified.

The topics presented in this book are complemented by exercises (with solutions). The authors offer a series of files, written in Maple, a standard computer algebra system, to help readers get a feel for the various models and orders of magnitude.

Beyond astrometry, the main fields of application of high-precision astronomical spatial-temporal reference systems and frames are navigation (GPS, interplanetary spacecraft navigation) and global geodynamics, which provide a high-precision Celestial Reference System and its link to any terrestrial spatial-temporal reference system. Mankind's urgent environmental questions can only be answered in the context of appropriate reference systems in which both aspects, space and time, are realized with a sufficiently high level of accuracy. This book addresses all those interested in high-precision reference systems and the various techniques (GPS, Very Long Baseline Interferometry, Satellite Laser Ranging, Lunar Laser Ranging) necessary for their realization, including the production and dissemination of time signals.

Prof. Dr. phil. nat. Michael Soffel is the director of the Lohrmann Observatory of the Technical University Dresden. He is an internationally known expert in relativistic celestial mechanics, relativistic astronomy and geodesy and experimental gravity research. He is the author of the book "Relativity in Astrometry, Celestial Mechanics and Geodesy", Springer-Verlag (1989). Dr. Ing. Ralf Langhans is working in the field of planetary geodesy and has been teaching astronomical geodesy and various courses in engineering geodesy.

List of Symbols.- Preface.- 1 Introduction.- 2 Time.- 3 Space-Time.- 4 Barycentric Dynamical Reference System.- 5 Classical Astronomical Coordinates.- 6 Astrometry.- 7 Celestial Reference System.- 8 Terrestrial Reference System.- 9 From the GCRS to the ITRS.- 10 Astronomical Software - Yearbooks.- 11 Astronomical constants.- References.- List of acronyms.- Appendix A: Solutions to Exercises.- Appendix B: Description of the AstroRef Package.- Index 304.

Erscheint lt. Verlag 9.11.2014
Reihe/Serie Astronomy and Astrophysics Library
Zusatzinfo XIV, 314 p.
Verlagsort Berlin
Sprache englisch
Maße 155 x 235 mm
Gewicht 504 g
Themenwelt Naturwissenschaften Physik / Astronomie Astronomie / Astrophysik
Schlagworte accuracy of clocks • Astrometry satellites • Celestial mechanics • Celestial Reference Systems • Geodesy applied • Hipparcos satellite • IAU International Astronomical Union • Precession of Earth • precision time keeping • Space Time reference frames • Spatial coordinate systems • Star Maps • Theory behind GPS • Universal Time definition
ISBN-10 3-642-44313-3 / 3642443133
ISBN-13 978-3-642-44313-8 / 9783642443138
Zustand Neuware
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