| Author(s): | Nowacki, H., Strobel, W. |
| Title: | Systematic Relations between 71 Star Catalogues and the FK3 and Weights |
| Source: | Veröffentlichungen des Astronomischen Rechen-Instituts Heidelberg, Nr. 20, Verlag G. Braun, Karlsruhe, 43 Seiten |
| Year: | 1968 |
| Abstract: |
For the compilation of the Fourth Fundamental Catalogue
(FK4) the systematic differences between many observational
catalogues - mostly obtained with meridian circles - and the
FK3 were determined. The system of FK3 served as an
intermediate system in the compilation of FK4. The
systematic differences (Cat-FK3) between 71 observational
catalogues and FK3 are given in this publication. These
differences may serve to derive corrections (FK4-Cat) to the
star positions of the various catalogues by means of the
relation where the differences (FK4-FK3) are tabulated in FK4. By adding the difference (FK4-Cat) to the catalogue position of a star the position is reduced to the FK4 system. We prefer to communicate here the differences (Cat-FK3) instead of (FK4-Cat), since the latter will be derived afresh at the Astronomisches Rechen-Institut by direct comparisons between the catalogues and FK4. The possibility of deriving the differences (FK4-Cat) via the FK3 will be of benefit to users of older star catalogues until the direct comparisons become available. |
| Preprint issued: | |
| Remarks: |
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