Computer Science – Performance
Scientific paper
Feb 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988kfnt....4...75v&link_type=abstract
Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 4, Jan.-Feb. 1988, p. 75-81. In Russian.
Computer Science
Performance
Astronomical Observatories, Optical Properties, Performance Tests, Telescopes, Coma, Instrument Errors, Light Scattering, Mirrors, Surface Properties
Scientific paper
The optics of the 60 cm Zeiss telescope was tested by Hartmann's method. The telescope was mounted near Simeiz (Crimea, Mount Koshka). An analysis suggests that there is a decentering coma. Correction of this coma would increase the light concentration by a factor of 1.5. This concentration will be 1.0 arcsec for the 50 percent energy level. The standard deviation for optical surface of primary mirror will be 0.056 micron after coma elimination. The standard error for Hartmann's method is 0.026 micron for the mean of three realizations. The radial optical surface error is 10 percent with respect to the total error. The express method for decentering coma determination is given. The value of the second mirror decentering is 1.7 + or - 0.1 mm for the 60-cm Zeiss telescope and 0.2 + or - 0.1 mm for the 2-m telescope (Bulgaria).
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