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Author: Astronomical Data Center (U.S.)
Publisher:
ISBN:
Category : Astrometry
Languages : en
Pages : 280
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Book Description
Author: Astronomical Data Center (U.S.)
Publisher:
ISBN:
Category : Astrometry
Languages : en
Pages : 280
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Book Description
Author: L. V. Morrison
Publisher: Cambridge University Press
ISBN: 9780521462402
Category : Science
Languages : en
Pages : 364
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Book Description
Astrometry - the study of the positions of astronomical objects and how they move across the sky - is a cornerstone of modern astronomy. Pinning down the distances to and motions of stars in our Galaxy is fundamental - it can lead to an understanding of the origin of these stars and how together they affect the evolution of our Galaxy. Similarly, measuring the motions of planets, their satellites and asteroids is crucial to unravelling the origin and evolution of our solar system (as well as to the planning of space missions to explore them). A workshop held jointly by the Royal Greenwich Observatory and the Institute of Astronomy, in Cambridge, offered an unusual opportunity to bring together astronomers from the fields of Galactic and solar system astrometry. Gathered in this volume are the articles they presented. Together, these provide an auspicious review of optical astrometry and our understanding of the evolution of the Galaxy and solar system for graduate students and researchers.
Author:
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 370
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Book Description
Author: Carlos Jaschek
Publisher: Cambridge University Press
ISBN: 9780521340946
Category : Nature
Languages : en
Pages : 222
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Book Description
Originally published in 1989, this book provides a comprehensive account of how to handle astronomical data. Descriptions of data acquisition, handling, and interpretation are included. The advice starts with chapters on observatories and observations, followed by discussions on the archiving of data and its presentation in the literature.
Author: Daniel Y. Gezari
Publisher:
ISBN:
Category : Infrared astronomy
Languages : en
Pages : 410
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Book Description
The catalog contains about 210,000 observations of roughly 20,000 individual sources, and supporting appendices. The literature search is complete for years 1965 through 1990.
Author: Daniel Y. Gezari
Publisher:
ISBN:
Category : Infrared astronomy
Languages : en
Pages : 358
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1282
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: Ivan I. Mueller
Publisher: Springer Science & Business Media
ISBN: 940111711X
Category : Science
Languages : en
Pages : 446
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Book Description
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.
Author: Heinrich K. Eichhorn
Publisher: Springer Science & Business Media
ISBN: 9400946767
Category : Science
Languages : en
Pages : 803
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Book Description
Proceedings of the 109th Symposium of the International Astronomical Union, held in Gainesville, Florida, USA, January 9-12, 1984
Author:
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 478
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Book Description
