Statistics – Applications
Scientific paper
Apr 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980lastr..94..167d&link_type=abstract
L'Astronomie, vol. 94, Apr. 1980, p. 167-173. In French.
Statistics
Applications
Astronomical Photography, Astronomical Photometry, Imaging Techniques, Photon Density, Television Systems, Design Analysis, Image Intensifiers, Image Processing
Scientific paper
A two-dimensional photometric system based on photon counting in a television system has been developed for astronomical applications. The receiver operates by the focusing of photoelectrons emitted by a photocathode on which the telescope image is focused and multiplied by a microchannel electron photomultiplier onto a phosphorescent screen, forming the object of a television tube. A 256 x 256-pixel image is obtained and integrated electronically. Advantages to the system include the ability to detect weak photon fluxes and image treatment capabilities allowing turbulence corrections and the improvement of spatial resolution.
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