Mathematics – Logic
Scientific paper
Nov 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992nascp3066..114b&link_type=abstract
In New Mexico Univ., A Lunar Optical-Ultraviolet-Infrared Synthesis Array (LOUISA) p 114-126 (SEE N93-13579 03-89)
Mathematics
Logic
Angular Resolution, Interferometers, Near Infrared Radiation, Oso, Ultraviolet Spectra, Apertures, Geosynchronous Orbits, High Resolution, Hubble Space Telescope, Phased Arrays, Stellar Spectra
Scientific paper
We describe here a proposed orbiting interferometer covering the UV, visible, and near-IR spectral ranges. With a 6-m baseline and a collecting area equivalent to about a 1.4 m diameter full aperture, this instrument will offer significant improvements in resolution over the Hubble Space Telescope, and complement the new generation of ground-based interferometers with much better limiting magnitude and spectral coverage. On the other hand, it has been designed as a considerably less ambitious project (one launch) than other current proposals. We believe that this concept is feasible given current technological capabilities, yet would serve to prove the concepts necessary for the much larger systems that must eventually be flown. The interferometer is of the Fizeau type. It therefore has a much larger field (for guiding) better UV throughout (only 4 surfaces) than phased arrays. Optimize aperture configurations and ideas for the cophasing and coalignment system are presented. The interferometer would be placed in a geosynchronous or sunsynchronous orbit to minimize thermal and mechanical disturbances and to maximize observing efficiency.
Bely Pierre-Yves
Burrows Christopher
Roddier Francois
Weigelt Gerd
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