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An Imaging Fourier Transform Spectrometer for NGST

1999/07/18 by James R. Graham, Graham, James R.
Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics (astro-ph) #FOS: Physical sciences #Scientific Research and Discoveries #Superconducting and THz Device Technology #astro-ph

paper · pdf · doi:10.48550/arxiv.astro-ph/9907240

Imaging the Universe in Three Dimensions: Astrophysics with Advanced Multi-Wavelength Imaging Devices. ASP Conference Series, 2000. W. van Breugel and J. Bland-Hawthorn (eds.). 6 pages, 6 figures

arxiv created 1999/07/18 · openalex publication_date 1999/07/18 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Due to its simultaneous deep imaging and integral field spectroscopic capability, an Imaging Fourier Transform Spectrograph (IFTS) is ideally suited to the Next Generation Space Telescope (NGST) mission, and offers opportunities for tremendous scientific return in many fields of astrophysical inquiry. We describe the operation and quantify the advantages of an IFTS for space applications. The conceptual design of the Integral Field Infrared Spectrograph (IFIRS) is a wide field (5'.3 x 5'.3) four-port imaging Michelson interferometer.

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