Developments in Astrometry and Their Impact on Astrophysics and Geodynamics
Proceedings of the 156th Symposium of the International Astronomical Union, Held in Shanghai, China, September 15-19, 1992
Seiten
1993
Kluwer Academic Publishers (Verlag)
978-0-7923-2237-5 (ISBN)
Kluwer Academic Publishers (Verlag)
978-0-7923-2237-5 (ISBN)
Within this volume the following topics are addressed: space astrometric missions, ground based optical techniques, very long baseline interferometric (VLBI) techniques, impact of these techniques on astrophysics and on geodynamics, and issues related to celestial and terrestrial reference frames.
The following topics are addressed: space astrometric missions, ground based optical techniques, very long baseline interferometric (VLBI) techniques, impact of these techniques on astrophysics and on geodynamics, and issues related to celestial and terrestrial reference frames. In the area of space optical astrometry, the reduction of one year of data from the Hipparcos mission shows excellent results for more than 40,000 stars. Recent developments in ground-based optical astrometry are concentrated on CCB meridian circles and transit instruments. The VLBI technique is the most powerful method to determine the earth rotation parameters, nutation series, and baseline lengths. More accurate celestial and terrestrial reference frames are needed and recent achievements in this field are presented, for example FK5 catalogues and a comparison of VLA and Hipparcos positions.
The following topics are addressed: space astrometric missions, ground based optical techniques, very long baseline interferometric (VLBI) techniques, impact of these techniques on astrophysics and on geodynamics, and issues related to celestial and terrestrial reference frames. In the area of space optical astrometry, the reduction of one year of data from the Hipparcos mission shows excellent results for more than 40,000 stars. Recent developments in ground-based optical astrometry are concentrated on CCB meridian circles and transit instruments. The VLBI technique is the most powerful method to determine the earth rotation parameters, nutation series, and baseline lengths. More accurate celestial and terrestrial reference frames are needed and recent achievements in this field are presented, for example FK5 catalogues and a comparison of VLA and Hipparcos positions.
Historical Remarks. Resolutions Adopted. Space Optical Astrometry. Ground-Based Optical Astrometry Very Long Baseline Interferometry (VLBI). Impact on Astrophysics. Impact on Geodynamics. Celestial Reference Frame. Terrestrial Reference Frame. Miscellaneous.
| Reihe/Serie | International Astronomical Union Symposia ; 156 |
|---|---|
| Zusatzinfo | index |
| Sprache | englisch |
| Einbandart | gebunden |
| Themenwelt | Naturwissenschaften ► Physik / Astronomie ► Astronomie / Astrophysik |
| ISBN-10 | 0-7923-2237-1 / 0792322371 |
| ISBN-13 | 978-0-7923-2237-5 / 9780792322375 |
| Zustand | Neuware |
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