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
Gespeichert in:
1. Verfasser: | |
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Format: | Elektronisch E-Book |
Sprache: | English |
Veröffentlicht: |
Dordrecht
Springer Netherlands
1993
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Schriftenreihe: | International Astronomical Union / Union Astronomique Internationale
156 |
Schlagworte: | |
Online-Zugang: | Volltext |
Beschreibung: | In this review talk, I would like to report on the proper motion analysis, which has been recently carried out together with M. Soma and M. Yoshizawa: There has been a persistent demand in astronomy for accurate stellar positions and proper motions, which are represented by an inertial reference system constructed on the basis of a set of consistent astronomical constants. In the reference system the precessional constant plays a primary role. In a series of papers Fricke (1967a,b, 1977a,b) has deter mined the luni-solar precessional correction to Newcomb's value and the fictitious motion of the equinox, which have been adopted in the "IAU (1976) System of Astronomical Con stants". Based on the precessional correction and the equinoctial motion thus established, the fundamental reference system, the FK5 system (Fricke et al. 1988) for positions and proper motions, has been constructed. However, for several years geodetic VLBI (McCarthy & Luzum 1991) and LLR (Williams et at. 1991) observations have been suggesting an additional correction to the luni-solar precessional constant of the IAU (1976) System. That is, these observations indicate the precessional correction of 6. p ~ -0:'30/cent to the FK5 system. But, the observational period ofthe earth orientation is considered to be still insufficient to separate unambiguously the precessional change of the earth orientation from the nutation with the longest period of 18. 6 years |
Beschreibung: | 1 Online-Ressource (XXXI, 440 p) |
ISBN: | 9789401117111 9780792322382 |
DOI: | 10.1007/978-94-011-1711-1 |
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Datensatz im Suchindex
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any_adam_object | |
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spelling | Mueller, Ivan I. Verfasser aut 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 edited by Ivan I. Mueller, Barbara Kołaczek Proceedings of the 156th Symposium of the International Astronomical Union, held in Shanghai, China, September 15-19, 1992 Dordrecht Springer Netherlands 1993 1 Online-Ressource (XXXI, 440 p) txt rdacontent c rdamedia cr rdacarrier International Astronomical Union / Union Astronomique Internationale 156 In this review talk, I would like to report on the proper motion analysis, which has been recently carried out together with M. Soma and M. Yoshizawa: There has been a persistent demand in astronomy for accurate stellar positions and proper motions, which are represented by an inertial reference system constructed on the basis of a set of consistent astronomical constants. In the reference system the precessional constant plays a primary role. In a series of papers Fricke (1967a,b, 1977a,b) has deter mined the luni-solar precessional correction to Newcomb's value and the fictitious motion of the equinox, which have been adopted in the "IAU (1976) System of Astronomical Con stants". Based on the precessional correction and the equinoctial motion thus established, the fundamental reference system, the FK5 system (Fricke et al. 1988) for positions and proper motions, has been constructed. However, for several years geodetic VLBI (McCarthy & Luzum 1991) and LLR (Williams et at. 1991) observations have been suggesting an additional correction to the luni-solar precessional constant of the IAU (1976) System. That is, these observations indicate the precessional correction of 6. p ~ -0:'30/cent to the FK5 system. But, the observational period ofthe earth orientation is considered to be still insufficient to separate unambiguously the precessional change of the earth orientation from the nutation with the longest period of 18. 6 years Physics Physical geography Astronomy, Observations and Techniques Geophysics/Geodesy Astrometrie (DE-588)4207657-2 gnd rswk-swf VLBI (DE-588)4276413-0 gnd rswk-swf 1\p (DE-588)1071861417 Konferenzschrift 1992 Schanghai gnd-content VLBI (DE-588)4276413-0 s 2\p DE-604 Astrometrie (DE-588)4207657-2 s 3\p DE-604 Kołaczek, Barbara Sonstige oth https://doi.org/10.1007/978-94-011-1711-1 Verlag Volltext 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 2\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 3\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
spellingShingle | Mueller, Ivan I. 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 Physics Physical geography Astronomy, Observations and Techniques Geophysics/Geodesy Astrometrie (DE-588)4207657-2 gnd VLBI (DE-588)4276413-0 gnd |
subject_GND | (DE-588)4207657-2 (DE-588)4276413-0 (DE-588)1071861417 |
title | 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 |
title_alt | Proceedings of the 156th Symposium of the International Astronomical Union, held in Shanghai, China, September 15-19, 1992 |
title_auth | 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 |
title_exact_search | 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 |
title_full | 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 edited by Ivan I. Mueller, Barbara Kołaczek |
title_fullStr | 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 edited by Ivan I. Mueller, Barbara Kołaczek |
title_full_unstemmed | 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 edited by Ivan I. Mueller, Barbara Kołaczek |
title_short | Developments in Astrometry and Their Impact on Astrophysics and Geodynamics |
title_sort | 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 |
title_sub | Proceedings of the 156th Symposium of the International Astronomical Union Held in Shanghai, China, September 15–19, 1992 |
topic | Physics Physical geography Astronomy, Observations and Techniques Geophysics/Geodesy Astrometrie (DE-588)4207657-2 gnd VLBI (DE-588)4276413-0 gnd |
topic_facet | Physics Physical geography Astronomy, Observations and Techniques Geophysics/Geodesy Astrometrie VLBI Konferenzschrift 1992 Schanghai |
url | https://doi.org/10.1007/978-94-011-1711-1 |
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