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CCD suitable for double star astrometry

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Summary

Astrometric measurements of 18 visual double stars carried out with a CCD are given.

The present observations are a test of the propriety of the CCD technique for astrometric observations of visual double stars.

The duration of the observations was 75 minutes. The precision of the CCD measures corresponds the precision of the photographic method, so the advantages of CCD's are the great loss of reduction work and the corresponding time saving, inclusive shortering the observing time.

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References

  • AITKEN, R. G.: 1935, in “The binary stars” (Mc Graw-Hill, New York and London), p. 41.

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  • BROSCHE, P., SINACHOPOULOS, D.: 1986, Astron. Astrophys. Suppl. Ser. 65, p. 189.

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Author information

Authors and Affiliations

  1. Sternwarte der Universitaet Bonn, D-5300, Bonn, FRG

    D. Sinachopoulos & M. Geffert

  2. Landessternwarte Heidelberg-Koenigstuhl, Heidelberg, FRG

    H. Nicklas

Authors
  1. D. Sinachopoulos
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  2. H. Nicklas
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  3. M. Geffert
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Additional information

Based on observations made at E.S.O., La Silla, Chile.

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Sinachopoulos, D., Nicklas, H. & Geffert, M. CCD suitable for double star astrometry. Astrophys Space Sci 142, 227–230 (1988). https://doi.org/10.1007/BF00656213

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  • DOI: https://doi.org/10.1007/BF00656213

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