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26 August 2022 Taurus: a balloon-borne polarimeter for cosmic reionization and galactic dust
Steven J. Benton
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Proceedings Volume PC12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI; PC121900H (2022) https://doi.org/10.1117/12.2629559
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada
Abstract
Taurus is a mid-latitude super-pressure balloon mission to map the polarization of the cosmic microwave background (CMB) over about 70% of the sky, in four bands from 150 - 350 GHz, and with high fidelity on very large angular scales. The signal on these scales is sensitive to the timing and details of cosmic reionization by the first stars. Knowing the total optical depth of the reionized universe (τ) is also crucial to break degeneracies with other cosmological parameters, most notably the amplitude of scalar fluctuations and the sum of neutrino masses.
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Steven J. Benton "Taurus: a balloon-borne polarimeter for cosmic reionization and galactic dust", Proc. SPIE PC12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI, PC121900H (26 August 2022); https://doi.org/10.1117/12.2629559
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KEYWORDS
Polarimetry
Earth's atmosphere
Atmospheric sensing
Contamination
Microwave radiation
Optical testing
Polarization
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