Check on JPL DExxx using Hipparcos and Tycho Observations
EUROPEAN SPACE AGENCY -PUBLICATIONS- ESA SP ; 402 ; 149-152
1997-01-01
4 pages
Article (Journal)
English
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The Hipparcos/Tycho ASCII CD-ROMs and Access Software
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|First Steps to Re-Observation of the Hipparcos/Tycho Stars by Ground-Based AMCs
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|The Use of the Hipparcos and Tycho Catalogues in Flight Dynamics Operations at ESOC
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|Hipparcos Observations of Symbiotic Stars
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|Comparing the Tycho Catalogue with CCD Astrograph Observations
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