The analysis of amplitude interferometry data and the testing of the intensified charge coupled device

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Charge Coupled Devices, Interferometry, Resolution, Telescopes, Atmospheric Diffusion, Circumferences, Stars, Stellar Temperature

Scientific paper

The analysis for the last four years of data single aperture amplitude interferometer plus a recap of the previous results are described. In total the diameters of 19 stars are presented. Where any of these stars have been observed by other techniques, the diameters are compared and shown to be in fairly good agreement, with the exception of alpha Her A. The next big jump in Amplitude Interferometry involves measuring the visibilities of many pairs of apertures simultaneously. In order to do this a single photon counting array detector has to be developed. This is the intensified charge coupled device (ICCD). The use of the ICCDs to build a multi-aperture instrument is described, as is the use of siderostats to lengthen the useful baseline. The potential application of these new instruments is explored, and the future possibility of combining many long baselines into an aperture synthesis array is mentioned.

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