2021
DOI: 10.1117/1.jatis.7.1.011002
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Origins Space Telescope: baseline mission concept

Abstract: The Origins Space Telescope will trace the history of our origins from the time dust and heavy elements permanently altered the cosmic landscape to present-day life. How did galaxies evolve from the earliest galactic systems to those found in the Universe today? How do habitable planets form? How common are life-bearing worlds? To answer these alluring questions, Origins will operate at mid-and far-infrared (IR) wavelengths and offer powerful spectroscopic instruments and sensitivity three orders of magnitude … Show more

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Cited by 14 publications
(18 citation statements)
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“…Finally, we used two approaches to derive a high-fidelity estimate of the Origins baseline mission cost. 11…”
Section: The Origins Study Team's Approach To Mission Designmentioning
confidence: 99%
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“…Finally, we used two approaches to derive a high-fidelity estimate of the Origins baseline mission cost. 11…”
Section: The Origins Study Team's Approach To Mission Designmentioning
confidence: 99%
“…To suppress the observatory's thermal self-emission and approach the natural astrophysical background photon noise level-essential to achieving Origins' science goals-the telescope's optical elements must be cooled to <6 K. 11 At wavelengths >200 μm, the background noise level is extremely sensitive to telescope temperature: 4 K is much better than 6 K. Past far-infrared missions, including Spitzer, were cooled with expendable cryogens, but that approach requires a large, massive cryostat and limits the life of the mission. Advances in cryocooler technology for JWST, Hitomi, and other missions enabled us to adopt mechanical cryocoolers rather than expendable cryogens for Origins.…”
Section: Operating Temperaturementioning
confidence: 99%
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