A New Determination of the Precessional Constant with the Resulting Precessional Motions ; Catalogue of Fundamental Stars for the Epochs 1875 and 1900 Reduced to an Absolute System PDF Download
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Author: Simon Newcomb
Publisher:
ISBN:
Category : Precession
Languages : en
Pages : 598
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Book Description
Author: Simon Newcomb
Publisher:
ISBN:
Category : Precession
Languages : en
Pages : 598
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Book Description
Author:
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 610
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![Catalogue of the Public Documents of the [the Fifty-third] Congress [to the 76th Congress] and of All Departments of the Government of the United States PDF](https://books.google.com/books/content/images/frontcover/PwUz0h3WDKAC?fife=w80-h100)
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1080
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Author: Hans G. Walter
Publisher: Springer Science & Business Media
ISBN: 364257260X
Category : Science
Languages : en
Pages : 246
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Book Description
Celestial fundamental catalogues are a prerequisite for the determination of absolute positions and motions in space. Presently, positional astrometry is at the watershed between classical fundamental catalogues, based on moving reference stars, and modern catalogues, based on extragalactic reference objects with non-measurable motion. This book addresses the concepts and methods of the respective construction techniques leading to the stellar frame of the FK5 (fifth fundamental catalogue) and to the newly adopted extragalactic radio reference frame, ICRF (international celestial reference frame), with its extension to optical wavelengths by the Hipparcos Catalogue. While principal outlines of meridian circle observations are given, emphasis is put in some detail on the VLBI technique as applied to astrometry, and to the observational techniques used in the Hipparcos mission, including the tie of the originally non-anchored rigid Hipparcos sphere into the ICRF.
Author: United States Naval Observatory. Nautical Almanac Office
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 608
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1118
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Author: State Library of Massachusetts
Publisher:
ISBN:
Category :
Languages : en
Pages : 370
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Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1080
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Author: Massachusetts State Library
Publisher:
ISBN:
Category : Libraries
Languages : en
Pages : 372
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Author: Royal Society (Great Britain)
Publisher:
ISBN:
Category : Learned institutions and societies
Languages : en
Pages : 1072
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