The Hubble Space Telescope - Problems and solutions

Details The Hubble Space Telescope - Problems and solutions The Hubble Space Telescope - Problems and solutions

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mercu..19..141v&link_type=abstract

Mercury (ISSN 0047-6773), vol. 19, Sept.-Oct. 1990, p. 141-143, 151.

Physics

Optics

Aberration, Asphericity, Hubble Space Telescope, Image Resolution, Focusing, Image Processing, Mirrors, Precision

Scientific paper

The optics flaw in the Hubble Space Telescope (HST) is described, and the effects upon the images received by the HST and subsequent scheduled experiments are described. It is pointed out that the total center-to-edge error of about two microns is large enough to interfere with HST's high-resolution imaging. While HST images do not achieve the anticipated quality of being 10 times sharper than those taken from earth, the images are still better than what can routinely be done at ground-based observatories. Long-term projects to enhance the present capability of the HST include fitting it with corrective optics. The science capabilities which still remain feasible are discussed, and the future role of the Space Telescope Science Institute in reassessing the HST science program is considered.

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