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UNSWIRF: A Tunable Imaging Spectrometer for the Near-Infrared

Published online by Cambridge University Press:  05 March 2013

Stuart D. Ryder
Affiliation:
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia
Yin-Sheng Sun
Affiliation:
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia; [email protected]
Michael C. B. Ashley
Affiliation:
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia; [email protected]
Michael G. Burton
Affiliation:
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia; [email protected]
Lori E. Allen
Affiliation:
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia; [email protected]
John W. V. Storey
Affiliation:
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia; [email protected]
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Abstract

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We describe the specifications, characteristics, calibration, and analysis of data from the University of New South Wales Infrared Fabry–Perot (UNSWIRF) etalon. UNSWIRF is a near-infrared tunable imaging spectrometer, used primarily in conjunction with IRIS on the AAT, but suitable for use as a visitor instrument at other telescopes. The etalon delivers a resolving power in excess of 4000 (corresponding to a velocity resolution ∼75 km s−1), and allows imaging of fields up to 100″ in diameter on the AAT at any wavelength between 1·5 and 2·4 μm for which suitable blocking filters are available.

Type
Research Article
Copyright
Copyright © Astronomical Society of Australia 1998

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