Leisawitz, David and Amatucci, Edward G. and Allen, Lynn N. and Arenberg, Jonathan W. and Armus, Lee and Battersby, Cara and Bauer, James M. and Beltran, Porfirio and Benford, Dominic J. and Burgarella, Denis and Carter, Ruth C. and Chi, Danny and Cooray, Asantha and Corsetti, James A. and De Beck, Elvire and Dewell, Larry D. and DiPirro, Michael J. and East, Matthew and Edgington, Samantha and Ennico, Kimberly and Fantano, Louis G. and Folta, David C. and Generie, Joseph A. and Granger, Zachary A. and Greene, Thomas P. and Griffiths, Alex and Harpole, George M. and Helmich, Frank P. and Howard, Joseph M. and Jamison, Tracee L. and Kaltenegger, Lisa and Kataria, Tiffany and Lawrence, Charles R. and Meixner, Margaret and Mooney, Ted and Moseley, Samuel H. and Neff, Susan G. and Nguyen, Thanh and Nordt, Alison A. and Petach, Michael B. and Petro, Susanna and Pope, Alexandra and Ramspacker, Daniel and Rao, Alison and Sakon, Itsuki and Sandstrom, Karin and Scott, Douglas and Seals, Lenward T. and Sheth, Kartik J. and Tompkins, Steven D. and Webster, Cassandra M. and Wiedner, Martina C. and Wright, Edward L. and Wu, Chi K. and Zmuidzinas, Jonas and Beaman, Bob G. and Bell, Raymond M. and Bergin, Edward and Bolognese, Jeffrey A. and Bradford, Charles M. and Bradley, Damon C. and Carey, Sean J. and D'Asto, Tom and Denis, Kevin L. and Derkacz, Christopher and Earle, C. Paul and Feller, Gregory and Fortney, Jonathan and Gavares, Benjamin J. and Gerin, Maryvonne and Harvey, Keith and Hilliard, Lawrence M. and Jacoby, Michael S. and Jamil, Anisa and Knight, J. Scott and Knollenberg, Perry J. and Lightsey, Paul A. and Lipscy, Sarah J. and Mamajek, Eric and Martins, Gregory E. and Mather, John C. and Melnick, Gary J. and Milam, Stefanie N. and Narayanan, Desika and Olson, Jeffrey R. and Padgett, Deborah L. and Pohner, John and Pontoppidan, Klaus and Roellig, Thomas L. and Sandin, Carly and Sokolsky, Larry and Staguhn, Johannes G. and Steeves, John B. and Stevenson, Kevin B. and Stoneking, Eric T. and Su, Kate and Tajdaran, Kiarash and Vieira, Joaquin D. (2021) Origins Space Telescope: baseline mission concept. Journal of Astronomical Telescopes, Instruments, and Systems, 7 (1). Art. No. 011002. ISSN 2329-4124. doi:10.1117/1.jatis.7.1.011002. https://resolver.caltech.edu/CaltechAUTHORS:20210125-121646242
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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 better than that of the Herschel Space Observatory, the largest telescope flown in space to date. We describe the baseline concept for Origins recommended to the 2020 US Decadal Survey in Astronomy and Astrophysics. The baseline design includes a 5.9-m diameter telescope cryocooled to 4.5 K and equipped with three scientific instruments. A mid-infrared instrument (Mid-Infrared Spectrometer and Camera Transit spectrometer) will measure the spectra of transiting exoplanets in the 2.8 to 20 μm wavelength range and offer unprecedented spectrophotometric precision, enabling definitive exoplanet biosignature detections. The far-IR imager polarimeter will be able to survey thousands of square degrees with broadband imaging at 50 and 250 μm. The Origins Survey Spectrometer will cover wavelengths from 25 to 588 μm, making wide-area and deep spectroscopic surveys with spectral resolving power R ∼ 300, and pointed observations at R ∼ 40,000 and 300,000 with selectable instrument modes. Origins was designed to minimize complexity. The architecture is similar to that of the Spitzer Space Telescope and requires very few deployments after launch, while the cryothermal system design leverages James Webb Space Telescope technology and experience. A combination of current-state-of-the-art cryocoolers and next-generation detector technology will enable Origins’ natural background-limited sensitivity.
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| Additional Information: | © 2021 The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI. Received: 13 June 2020; Accepted: 2 December 2020; Published: 6 January 2021. We took excerpts from the SPIE Proceedings paper “The Origins Space Telescope,” in Proc. SPIE, 11115-25 (2019) and from the Origins Space Telescope Mission Concept Study Final Report. The authors are grateful to the many institutions that sponsored and contributed to the successful Origins Space Telescope mission concept study. To enable the community to prepare for the 2020 Decadal Survey, the National Aeronautics and Space Agency, NASA, sponsored studies of four large mission concepts, of which Origins was one. We thank NASA for funding these studies. NASA’s Goddard Space Flight Center (GSFC) contributed substantial additional labor support, which enabled us to explore options, make well-informed engineering decisions, and develop an executable mission concept. The Japan Aerospace Exploration Agency, JAXA, the Canadian Space Agency, CSA, and a Centre National d’ Études Spatiales (CNES)-led European consortium actively participated in the study, with each enabling their team members’ travel to study team meetings and concurrent engineering sessions. JAXA and the European consortium each contributed an instrument design. Domestic study participants included many academic institutions, several NASA centers (Ames Research Center and Marshall Space Flight Center, as well as GSFC), the Caltech Jet Propulsion Laboratory, and industry (Ball Aerospace, Northrop-Grumman, Lockheed-Martin, and L3 Harris), as reflected in the authors’ affiliations. Finally, the authors wish to express their deep gratitude to the hundreds of community members worldwide who contributed to the Origins mission concept study by sharing their thoughts on science priorities, reviewing the science case and engineering designs, developing graphics, formatting reports, taking notes, managing study resources, and making travel arrangements. It took a village. Finally, we thank three JATIS reviewers, whose feedback on the manuscript led to significant improvements. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Group: | Astronomy Department, Infrared Processing and Analysis Center (IPAC) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Issue or Number: | 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DOI: | 10.1117/1.jatis.7.1.011002 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20210125-121646242 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20210125-121646242 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Official Citation: | David T. Leisawitz, Edward G. Amatucci, Lynn N. Allen, Jonathan W. Arenberg, Lee Armus, Cara Battersby, James M. Bauer, Bob G. Beaman, Raymond M. Bell Jr., Porfirio Beltran, Dominic J. Benford, Edward Bergin, Jeffrey A. Bolognese, Charles M. Bradford, Damon C. Bradley, Denis Burgarella, Sean J. Carey, Ruth C. Carter, Danny Chi, Asantha Cooray, James A. Corsetti, Tom D'Asto, Elvire De Beck, Kevin L. Denis, Christopher Derkacz, Larry D. Dewell, Michael J. DiPirro, C. Paul Earle, Matthew East, Samantha Edgington, Kimberly Ennico, Louis G. Fantano, Gregory Feller, David C. Folta, Jonathan Fortney, Benjamin J. Gavares, Joseph A. Generie, Maryvonne Gerin, Zachary A. Granger, Thomas P. Greene, Alex Griffiths, George M. Harpole, Keith Harvey, Frank P. Helmich, Lawrence M. Hilliard, Joseph M. Howard, Michael S. Jacoby, Anisa Jamil, Tracee L. Jamison, Lisa Kaltenegger, Tiffany Kataria, J. Scott Knight, Perry J. Knollenberg, Charles R. Lawrence, Paul A. Lightsey, Sarah J. Lipscy, Eric Mamajek, Gregory E. Martins, John C. Mather, Margaret Meixner, Gary J. Melnick, Stefanie N. Milam, Ted Mooney, Samuel H. Moseley, Desika Narayanan, Susan G. Neff, Thanh Nguyen, Alison A. Nordt, Jeffrey R. Olson, Deborah L. Padgett, Michael B. Petach, Susanna Petro, John Pohner, Klaus Pontoppidan, Alexandra Pope, Daniel Ramspacker, Alison Rao, Thomas L. Roellig, Itsuki Sakon, Carly Sandin, Karin Sandstrom, Douglas Scott, Lenward T. Seals, Kartik J. Sheth, Larry Sokolsky, Johannes G. Staguhn, John B. Steeves, Kevin B. Stevenson, Eric T. Stoneking, Kate Y. L. Su, Kiarash Tajdaran, Steven D. Tompkins, Joaquin D. Vieira, Cassandra M. Webster, Martina C. Wiedner, Edward L. Wright, Chi K. Wu, and Jonas Zmuidzinas "Origins Space Telescope: baseline mission concept," Journal of Astronomical Telescopes, Instruments, and Systems 7(1), 011002 (6 January 2021). https://doi.org/10.1117/1.JATIS.7.1.011002 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ID Code: | 107710 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deposited On: | 26 Jan 2021 19:57 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Last Modified: | 16 Nov 2021 19:05 |
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