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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 ,
Yin-Sheng Sun ,
Michael C. B. Ashley ,
Michael G. Burton ,
Lori E. Allen  and
John W. V. Storey
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; sun@newt.phys.unsw.edu.au
Michael C. B. Ashley
Affiliation:
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia; mcba@newt.phys.unsw.edu.au
Michael G. Burton
Affiliation:
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia; mgb@newt.phys.unsw.edu.au
Lori E. Allen
Affiliation:
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia; lea@newt.phys.unsw.edu.au
John W. V. Storey
Affiliation:
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia; jwvs@newt.phys.unsw.edu.au
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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.

Keywords

instrumentation: miscellaneousmethods: data analysisinfrared: ISM, lines
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 15 , Issue 2 , 1998 , pp. 228 - 239
Copyright
Copyright © Astronomical Society of Australia 1998

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