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The Ultra-High-Resolution Facility at the Anglo-Australian Telescope

Diego, F., Fish, A., Barlow, M., Crawford, I., Spyromolio, J., Dryburgh, M., Brooks, D., Howarth, I. and Walker, D.D. (1995) The Ultra-High-Resolution Facility at the Anglo-Australian Telescope. Monthly Notices of the Royal Astronomical Society, 272 (2). pp. 323-332. ISSN 0035-8711

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The Ultra-High-Resolution Facility (UHRF) has been commissioned at the coudé focus of the Anglo-Australian Telescope (AAT), and provides a resolving power of R≈106. This is the highest spectral resolution ever obtained by an optical astronomical spectrograph, and is intended mainly for astrophysical studies of cool interstellar clouds. This paper describes the development of this ambitious project, which includes diffraction-limited optical components, very tight specification for the optical configuration, and a new type of image slicer which allows ultra-high-resolution work towards faint stars. Astrophysical results from the first observing runs are presented to demonstrate the performance in terms of both resolution and throughput

Item Type: Article
Subjects: T Technology > TS Manufactures
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies
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Depositing User: Catherine Parker
Date Deposited: 01 Dec 2016 14:37
Last Modified: 28 Aug 2021 12:11


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