Statistics – Applications
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.354..209b&link_type=abstract
In ESA, Targets for Space-Based Interferometry p 209-211 (SEE N93-31750 12-89)
Statistics
Applications
1
Astronomical Interferometry, Calibrating, Laser Applications, Space Observations (From Earth), Very Long Base Interferometry, Wave Fronts, Astronomical Satellites, Atmospheric Correction, Atmospheric Turbulence, High Resolution, Imaging Techniques, Mathematical Models, Wave Front Reconstruction
Scientific paper
The PHAROS proposal to use a low power laser on a small satellite in an eccentric orbit as a wavefront reference for imaging in astronomy is examined. The question of wavefront curvature in the laser reference beam is specifically addressed and it is shown that this poses no insurmountable problems for the estimation of wavefront corrections to be applied to astronomical observations. Emphasis is on the use of the reference in the context of long baseline interferometry. In the context of terrestrial telescope arrays presently under construction, the likely imaging performance of these arrays and the sky coverage afforded by such a satellite reference, are investigated.
Baddiley C. J.
Greenaway Alan H.
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