Progress in High Resolution Spectroscopy Using a Fibreoptic Coude Link

Details Progress in High Resolution Spectroscopy Using a Fibreoptic Coude Link Progress in High Resolution Spectroscopy Using a Fibreoptic Coude Link

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984msngr..36....2l&link_type=abstract

The Messenger, No. 36, P. 2, 1984

Computer Science

10

Scientific paper

Experiments with a prototype 40 m optical fibre link between the 3.6 m telescope and the CES have already been described in the Messenger No. 31, and by Lund and Enard (1983). Further tests of this system, carried out in February 1984 using slightly different optical fibres and a highly efficient image-slicer, have confirmed the usefulness of a fibre link as an alternative to a 4-mirror coude train. Gains in sensitivity typically of the order of 1.5 magnitudes in comparison with the c1assical CAT-slit-CES combination were obtained, thus permitting for the first time good spectra of 11 th magnitude objects to be achieved with aresolution of 80,000.

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