Optical design of the Hipparcos telescope

Details Optical design of the Hipparcos telescope Optical design of the Hipparcos telescope

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..655..380a&link_type=abstract

IN: Optical system design, analysis, and production for advanced technology systems; Proceedings of the Meeting, Innsbruck, Aust

Astronomy and Astrophysics

Astronomy

Design Analysis, Hipparcos Satellite, Optical Correction Procedure, Payloads, Schmidt Telescopes, Spaceborne Telescopes, Alignment, Astrometry, Mirrors, Modulation Transfer Function

Scientific paper

The primary driver in design optimizations for the all-reflective Schmidt telescope of the Hipparcos payload has been the achievement of a 2-milliarcsec accuracy in star position measurements; this possibility is suggested by the 'beam combiner' telescope configuration used, in which the Schmidt reflective collector is cut in two halves and reassembled by bonding at a 29-deg angle to yield a final wavefront distortion of lambda/60 RMS. A chromaticity of less than 3 milliarcsec has thus far been achieved by these means.

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