UNSWIRF: A Tunable Imaging Spectrometer for the Near-Infrared

2); (2) Joint Astronomy Centre; Australia; Hawaii); John W. V. Storey (1) ((1) University of New South Wales; Lori E. Allen (1); Michael C. B. Ashley (1); Michael G. Burton (1); Stuart D. Ryder (1; Yin-Sheng Sun (1)

arxiv: astro-ph/9805325 · v1 · pith:GJG2JCBSnew · submitted 1998-05-26 · 🌌 astro-ph

UNSWIRF: A Tunable Imaging Spectrometer for the Near-Infrared

Stuart D. Ryder (1 , 2) , Yin-Sheng Sun (1) , Michael C. B. Ashley (1) , Michael G. Burton (1) , Lori E. Allen (1) , John W. V. Storey (1) ((1) University of New South Wales , Australia

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(2) Joint Astronomy Centre Hawaii)

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keywords imagingunswirfetalonnear-infraredspectrometersuitabletunableallows

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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), and allows imaging of fields up to 100" in diameter on the AAT at any wavelength between 1.5 and 2.4 microns for which suitable blocking filters are available.

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UNSWIRF: A Tunable Imaging Spectrometer for the Near-Infrared

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