Space Telescope astrometry from CCD images

Details Space Telescope astrometry from CCD images Space Telescope astrometry from CCD images

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980cemec..22..191c&link_type=abstract

(Symposium on Star Catalogues, Positional Astronomy and Celestial Mechanics, Washington, D.C., Nov. 30, 1978.) Celestial Mechani

Astronomy and Astrophysics

Astronomy

4

Astrometry, Charge Coupled Devices, Electro-Optical Photography, Hubble Space Telescope, Imaging Techniques, Accuracy, Chips (Electronics), Fraunhofer Lines, Parallax

Scientific paper

The astrometric application of the Wide Field Camera and the Planetary Camera is reviewed. It is shown that the digital image centering algorithms can yield a positional accuracy of 0.1 milli-arcsecond. Deconvolution of CCD's sensitivity, non-flatness of the filters, and crinkling of the CCD surface may limit the positional accuracy of 1 milli-arcsecond.

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