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Current applications of FTS in astronomy

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Abstract

A historical review of FTS in astronomy will show that after an explosion in the 70's the number of instruments currently in service or in project has been constantly declining with the advance of array detectors in size and sensitivity, in favor of grating spectrometers considered more sensitive. However, specific niches remain, and some revival could come with extremely large telescopes.

© 2003 Optical Society of America

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