New power for the Danish 1.54-m telescope.

Details New power for the Danish 1.54-m telescope. New power for the Danish 1.54-m telescope.

Mar 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995msngr..79...12a&link_type=abstract

The Messenger, vol. 79, p. 12-14

Physics

3

Telescopes: Auxiliary Instrumentation

Scientific paper

After more than 15 years of intensive use, the Danish 1.54-m telescope on La Silla and its equipment are undergoing a major overhaul.Thegoal ofthis joint effort with ESO is to provide a more powerful research tool, updated to reflect changing scientific priorities. It will be armed with a couple of core instruments, permanently mounted and requiring a minimum of effort in operation and maintenance. On January 20, 1995, we passed a major milestone in the upgrade project with the installation of several new features, chief of which is the new DFOSC (Danish Faint Object Spectrograph and Camera), patterned after ESO'svery successful EFOSC instruments andequipped with a thinned Loral 2048 x 2048 CCD with exceptionally high quantum efficiency (QE). Also, a simple mirror cooling system was installed which will hopefully lead to an improved image quality. In this article, we briefly describe the DFOSC and its capabilities and our plans for the next steps.

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