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On the Stability of Cassegrain Spectrographs'

Walker, D.D. and D'Arrigo, P. (1996) On the Stability of Cassegrain Spectrographs'. Monthly Notices of the Royal Astronomical Society, 281. pp. 673-678. ISSN 0035-8711

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Abstract

Gravity-induced flexure has been a long-standing challenge in Cassegrain
spectrographs at 4-m class telescopes; it is more so on the scale of 8-m telescopes.
This is of particular concern for the Gemini High Resolution Optical Spectrograph,
which will be Cassegrain-mounted for its routine mode of operation. In this paper
we address the general flexure problem and make specific recommendations. In a
companion paper we present results on experimental compensation for flexure in a
specific Cassegrain spectrograph - ISIS on the 4.2-m William Herschel Telescope
(WHT).

Item Type: Article
Subjects: T Technology > TS Manufactures
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies
Related URLs:
Depositing User: Catherine Parker
Date Deposited: 01 Dec 2016 14:05
Last Modified: 01 Dec 2016 14:05
URI: http://eprints.hud.ac.uk/id/eprint/30451

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