Physics – Optics
Scientific paper
Jun 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apopt..14.1437m&link_type=abstract
Applied Optics, vol. 14, June 1975, p. 1437-1446.
Physics
Optics
14
Imaging Techniques, Junction Diodes, Matrices (Circuits), Silicon Junctions, Telescopes, Vidicons, Astronomical Photometry, Ground Stations, Image Contrast, Photomultiplier Tubes, Systems Engineering
Scientific paper
We have used silicon vidicon tubes in a two-dimensional integrating imaging device at the telescope to obtain photometric images of astronomical objects. In this article we report on the performance of the imaging system we have experienced under actual observing conditions. The imaging system and the procedures we have devised to use it are described. Exposures reproduce to better than 0.05% of full scale intensity for each picture element. The response of the entire imaging system is linear with gamma = 1 for at least nearly 5 orders of magnitude to within at least 0.44% of full-scale intensity and probably much better. Images made through the telescope of extended sources agree photometrically with photomultiplier measurements to about 1%. Photometry of stars reproduces to better than 0.5%.
Frankston M. J.
McCord Th. B.
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