16 December 2002 Mapping the entire universe: a goal for gigapixel arrays, 3D spectro-imagers, and large telescopes
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Visual-wavelength focal plane mosaics with 10 to 100 gigapixels may become available within the next several decades. Silicon sensor read-outs may also enable the reliable detection of individual visual wavelength photons in the near future. Such solid-state photon-counting mosaics, fed by integral-field spectrographs (IFSs) which simultaneously record the spectrum of every image element, may enable astronomers to chart the 3D structure of the entire visible Universe, and trace its physical and chemical evolution from soon after the birth of the first stars to the present. We explore the requirements of a 'cosmic atlas' sensitive to objects having 0.1 times the luminosity of the Milky Way. The proposed cosmic survey has a spatial resolution of about 0.1", a spectral resolution of R ≈ 102 to 103, and cover the wavelength range from the near-UV to the near-IR.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John Bally, John Bally, Steven Kilston, Steven Kilston, "Mapping the entire universe: a goal for gigapixel arrays, 3D spectro-imagers, and large telescopes", Proc. SPIE 4835, Future Research Direction and Visions for Astronomy, (16 December 2002); doi: 10.1117/12.456514; https://doi.org/10.1117/12.456514


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