Accès ouvert déclaré
2024
preprint
The Simons Observatory: Design, integration, and testing of the small aperture telescopes
Nicholas Galitzki, Tran Tsan, Jake Spisak, Michael Randall, Maximiliano Silva-Feaver, Joseph Seibert, Jacob Lashner, S. Adachi, Sean M. Adkins, Thomas Alford, Kam Arnold, Peter Ashton, Jason E. Austermann, C. Baccigalupi, A. O. Bazarko, James A. Beall, Sanah Bhimani, Bryce Bixler, Gabriele Coppi, Lance Corbett, Kevin D. Crowley, Kevin T. Crowley, Samuel Day-Weiss, Simon Dicker, Peter N. Dow, Cody J. Duell, Shannon M. Duff, Remington G. Gerras, J. C. Groh, Jon E. Gudmundsson, Kathleen Harrington, M. Hasegawa, Erin Healy, Shawn Henderson, Johannes Hubmayr, Jeffrey Iuliano, Bradley R. Johnson, Brian Keating, Ben Keller, Anna M. Kofman, Brian J. Koopman, A. Kusaka, Adrian T. Lee, Richard A. Lew, Lawrence T. Lin, Michael J. Link, Tammy J. Lucas, Marius Lungu, Aashrita Mangu, Jeffrey J McMahon, Amber Miller, Jenna E. Moore, Magdy Morshed, Hironobu Nakata, F. Nati, Laura Newburgh, David Nguyen, Michael D. Niemack, Lyman A. Page, Kana Sakaguri, Y. Sakurai, Mayuri Sathyanarayana Rao, Lauren J. Saunders, Jordan E. Shroyer, Junna Sugiyama, O. Tajima, A. Takeuchi, Refilwe Tanah Bua, Grant Teply, Tomoki Terasaki, Joel N. Ullom, Jeffrey L. Van Lanen, Eve M. Vavagiakis, Michael Vissers, Liam Walters, Yuhan Wang
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Le résumé fourni par la source
The Simons Observatory (SO) is a cosmic microwave background (CMB) survey experiment that includes small-aperture telescopes (SATs) observing from an altitude of 5,200 m in the Atacama Desert in Chile. The SO SATs will cover six spectral bands between 27 and 280 GHz to search for primordial B-modes to a sensitivity of $σ(r)=0.002$, with quantified systematic errors well below this value. Each SAT is a self-contained cryogenic telescope with a 35$^\circ$ field of view, 42 cm diameter optical aperture, 40 K half-wave plate, 1 K refractive optics, and $<0.1$ K focal plane that holds $>12,000$ TES detectors. We describe the nominal design of the SATs and present details about the integration and testing for one operating at 93 and 145 GHz.
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