Phase-contrast detection of telescope seeing errors and their correction

Details Phase-contrast detection of telescope seeing errors and their correction Phase-contrast detection of telescope seeing errors and their correction

Jun 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...198..605d&link_type=abstract

Astrophysical Journal, vol. 198, June 15, 1975, pt. 1, p. 605-615. NSF-supported research.

Astronomy and Astrophysics

Astrophysics

26

Error Correcting Devices, Optical Correction Procedure, Phase Error, Real Time Operation, Telescopes, Error Analysis, Instrument Errors, Phase Shift, Reference Stars, Systems Engineering

Scientific paper

The technique of phase-contrast microscopy applied to a telescope permits the detection and correction of phase errors in real time. These corrections can be made separately for two or more levels of the atmosphere. It may be possible to correct the seeing errors in a circular patch up to 2 min in diameter about a reference star with an apparent magnitude of 11 or brighter.

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