Physics – Optics
Scientific paper
Dec 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.235..585d&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 235, Dec. 1, 1988, p. 585-591. Research supported by th
Physics
Optics
2
Atmospheric Effects, Interferometry, Modulation Transfer Function, Diffraction Patterns, Mirrors, Stellar Motions
Scientific paper
A shearing interferometer has been mounted into a Polaris seeing monitor to produce interferograms from which the modulation transfer function of the atmosphere can be determined. The telescope of the monitor is of novel design in that tracking of Polaris is achieved by rotating the off-axis telescope mirror about the celestial axis at the appropriate hour angle of Polaris. An image of Polaris is then produced at the same point inside the interferometer. The general structure and optics of the monitor are described together with a discussion of alignment. A typical interferogram is shown with a brief discussion of its measurement and analysis.
Dunlop Colin N.
Major John V.
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