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The connection of the HIPPARCOS reference system to extragalactic objects by photographic astrometry

✍ Scribed by A. I. Yatsenko; S. P. Rybka; R.-D. Scholz

Publisher: John Wiley and Sons
Year: 1987
Tongue: English
Weight: 298 KB
Volume: 308
Category: Article
ISSN: 0004-6337
DOI: 10.1002/asna.2113080507

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✦ Synopsis

The expected error of the connection of the HIPPARCOS system with an extragalactic reference system by means of ground-based photographic astrometry was calculated. Two different catalogues of proper motions with respect to extragalactic objects and the HIPPARCOS proper motions were simulated. An accuracy of OY14 per century using only 10 fields with 119 link stars of the Tautenburg Schmidt telescope (134/200/400) and OY07 per century using 93 fields with 336 link stars of the Kiev long focus astrograph (401550) were obtained.

Die zn erwartende Genauigkeit des Anschlusses des HIPPARCOS-Systems an das extragalaktische Referenzsystem mit Hilfe der photographischen Astrometrie wird abgeschatzt. Zwei verschiedene Kataloge von Stern-Eigenhewegungen in Bezug auf ferne Galaxien und die HIPPARCOS-Eigenbcwegungen der Sterne wurden modelliert. Fur die Benutzung des Tautenburger Schmidt-Teleskopes (1 34/200/400) konnte eine Genauigkeit von OY14 pro Jahrhundert unter Einbeziehung von nur 10 AnschluDfeldern mit insgesamt 119 Verkniipfungssternen ermittelt werden. Mit dem Kiewer langbrennweitigen Doppelastrographen (40j550) sind bei 93 Feldern und 336 Verkniipfungssternen 0107 pro Jahrhundert erreichbar.

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