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1982•International Astronomical Union ColloquiumOpen access

Multi-Order Formats to Increase the Versatility of Cassegrain Spectrographs

Dianne Harmer

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Abstract

Abstract “Grism” and compound prism cross-dispersers have been proposed for the new Cassegrain spectrograph of the 2.5m telescope at La Palma. The RGO image-tube spectrograph has been fitted with a grism to provide us with experience in designing layouts, operating the equipment and handling the data.

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What this paper is about

Abstract “Grism” and compound prism cross-dispersers have been proposed for the new Cassegrain spectrograph of the 2.5m telescope at La Palma. The RGO image-tube spectrograph has been fitted with a grism to provide us with experience in designing layouts, operating the equipment and handling the data.

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Available abstract

Abstract “Grism” and compound prism cross-dispersers have been proposed for the new Cassegrain spectrograph of the 2.5m telescope at La Palma. The RGO image-tube spectrograph has been fitted with a grism to provide us with experience in designing layouts, operating the equipment and handling the data.

Key concepts: Cassegrain reflector, Grism, Spectrograph, Prism, Telescope, Optics, Physics, Computer science

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