Orbiting astronomical satellite for investigating stellar systems (OASIS): a paradigm shift in realizing large space telescopes

Siddhartha Sirsi; Christopher Walker; Jonathan Arenberg; Yuzuru Takashima; Daewook Kim; Heejoo Choi; Arthur Palisoc; Henry Quach; Marcos Esparza; Kevin Derby; Luke Mayer; Tianyao Zhang; Aman Chandra; Anthony Stark

doi:10.1117/12.2629100

27 August 2022 Orbiting astronomical satellite for investigating stellar systems (OASIS): a paradigm shift in realizing large space telescopes

Siddhartha Sirsi, Christopher Walker, Jonathan Arenberg, Yuzuru Takashima, Daewook Kim, Heejoo Choi, Arthur Palisoc, Henry Quach, Marcos Esparza, Kevin Derby, Luke Mayer, Tianyao Zhang, Aman Chandra, Anthony Stark

Author Affiliations +

Proceedings Volume 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave; 121801Q (2022) https://doi.org/10.1117/12.2629100
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

OASIS (Orbiting Astronomical Satellite for Investigating Stellar Systems) is a space-based, MIDEX mission concept that employs a 14 meter inflatable aperture and cryogenic heterodyne receivers to perform high resolution (R<10⁶) observations at terahertz frequencies. OASIS targets far-infrared transitions of H₂O and its isotopologues, as well as HD and other molecular species from 660 to 63 μm that are otherwise obscured by the Earth’s atmosphere. OASIS will have <10x the collecting area and <4x the angular resolution of Herschel and complements the short wavelength capabilities of JWST. With its large collecting area and suite of terahertz heterodyne receivers, OASIS will have the sensitivity to follow the water trail from galaxies to oceans. OASIS represents a paradigm shift in the realization of large space apertures. Our paper will focus on how the development work for OASIS can be leveraged to realize a new generation of space telescopes.

Conference Presentation

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Siddhartha Sirsi, Christopher Walker, Jonathan Arenberg, Yuzuru Takashima, Daewook Kim, Heejoo Choi, Arthur Palisoc, Henry Quach, Marcos Esparza, Kevin Derby, Luke Mayer, Tianyao Zhang, Aman Chandra, and Anthony Stark "Orbiting astronomical satellite for investigating stellar systems (OASIS): a paradigm shift in realizing large space telescopes", Proc. SPIE 12180, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave, 121801Q (27 August 2022); https://doi.org/10.1117/12.2629100

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