The Infrared Imaging Spectrograph (IRIS) for TMT: instrument overview

James E. Larkin; Anna M. Moore; Shelley A. Wright; James E. Wincentsen; David Anderson; Eric M. Chisholm; Richard G. Dekany; Jennifer S. Dunn; Brent L. Ellerbroek; Yutaka Hayano; Andrew C. Phillips; Luc Simard; Roger Smith; Ryuji Suzuki; Robert W. Weber; Jason L. Weiss; Kai Zhang

doi:10.1117/12.2232212

9 August 2016 The Infrared Imaging Spectrograph (IRIS) for TMT: instrument overview

James E. Larkin, Anna M. Moore, Shelley A. Wright, James E. Wincentsen, David Anderson, Eric M. Chisholm, Richard G. Dekany, Jennifer S. Dunn, Brent L. Ellerbroek, Yutaka Hayano, Andrew C. Phillips, Luc Simard, Roger Smith, Ryuji Suzuki, Robert W. Weber, Jason L. Weiss, Kai Zhang

Author Affiliations +

Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI; 99081W (2016) https://doi.org/10.1117/12.2232212
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

IRIS is a near-infrared (0.84 to 2.4 micron) integral field spectrograph and wide-field imager being developed for first light with the Thirty Meter Telescope (TMT). It mounts to the advanced adaptive optics (AO) system NFIRAOS and has integrated on-instrument wavefront sensors (OIWFS) to achieve diffraction-limited spatial resolution at wavelengths longer than 1 μm. With moderate spectral resolution (R ~ 4000 – 8,000) and large bandpass over a continuous field of view, IRIS will open new opportunities in virtually every area of astrophysical science. It will be able to resolve surface features tens of kilometers across Titan, while also mapping the most distant galaxies at the scale of an individual star forming region. This paper summarizes the entire design and capabilities, and includes the results from the nearly completed preliminary design phase.

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James E. Larkin, Anna M. Moore, Shelley A. Wright, James E. Wincentsen, David Anderson, Eric M. Chisholm, Richard G. Dekany, Jennifer S. Dunn, Brent L. Ellerbroek, Yutaka Hayano, Andrew C. Phillips, Luc Simard, Roger Smith, Ryuji Suzuki, Robert W. Weber, Jason L. Weiss, and Kai Zhang "The Infrared Imaging Spectrograph (IRIS) for TMT: instrument overview", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99081W (9 August 2016); https://doi.org/10.1117/12.2232212

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