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Optical Engineering

Advanced Technology Large-Aperture Space Telescope: science drivers and technology developments
Author(s): Marc Postman; Thomas M. Brown; Kenneth R. Sembach; Jason Tumlinson; C. Matt Mountain; Rémi Soummer; Mauro Giavalisco; Daniela Calzetti; Wesley Traub; Karl R. Stapelfeldt; William R. Oegerle; Tristram T. Hyde; Robert M. Rich; H. Philip Stahl
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Paper Abstract

The Advanced Technology Large-Aperture Space Telescope (ATLAST) is a concept for an 8- to 16-m ultraviolet optical near infrared space observatory for launch in the 2025 to 2030 era. ATLAST will allow astronomers to answer fundamental questions at the forefront of modern astrophysics, including: Is there life elsewhere in the Galaxy? We present a range of science drivers and the resulting performance requirements for ATLAST (8- to 16-marcsec angular resolution, diffraction limited imaging at 0.5-μm wavelength, minimum collecting area of 45  m2, high sensitivity to light wavelengths from 0.1 to 2.4 μm, high stability in wavefront sensing and control). We also discuss the priorities for technology development needed to enable the construction of ATLAST for a cost that is comparable to that of current generation observatory-class space missions.

Paper Details

Date Published: 20 January 2012
PDF: 12 pages
Opt. Eng. 51(1) 011007 doi: 10.1117/1.OE.51.1.011007
Published in: Optical Engineering Volume 51, Issue 1
Show Author Affiliations
Marc Postman, Space Telescope Science Institute (United States)
Thomas M. Brown, Space Telescope Science Institute (United States)
Kenneth R. Sembach, Space Telescope Science Institute (United States)
Jason Tumlinson, Space Telescope Science Institute (United States)
C. Matt Mountain, Space Telescope Science Institute (United States)
Rémi Soummer, Space Telescope Science Institute (United States)
Mauro Giavalisco, Univ. of Massachusetts Amherst (United States)
Daniela Calzetti, Univ. of Massachusetts Amherst (United States)
Wesley Traub, California Institute of Technology (United States)
Karl R. Stapelfeldt, NASA Goddard Space Flight Ctr. (United States)
William R. Oegerle, NASA Goddard Space Flight Ctr. (United States)
Tristram T. Hyde, NASA Goddard Space Flight Ctr. (United States)
Robert M. Rich, Univ. of California, Los Angeles (United States)
H. Philip Stahl, NASA Marshall Space Flight Ctr. (United States)


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