The Simons Observatory: science goals and forecasts
The Simons Observatory (SO) is a new cosmic microwave background experiment being
built on Cerro Toco in Chile, due to begin observations in the early 2020s. We describe the …
built on Cerro Toco in Chile, due to begin observations in the early 2020s. We describe the …
Four-year Cosmology Large Angular Scale Surveyor (CLASS) observations: on-sky receiver performance at 40, 90, 150, and 220 GHz frequency bands
Abstract The Cosmology Large Angular Scale Surveyor (CLASS) observes the polarized
cosmic microwave background (CMB) over the angular scales of 1≲ θ≤ 90 with the aim of …
cosmic microwave background (CMB) over the angular scales of 1≲ θ≤ 90 with the aim of …
The Simons Observatory: gain, bandpass and polarization-angle calibration requirements for B-mode searches
MH Abitbol, D Alonso, SM Simon… - … of Cosmology and …, 2021 - iopscience.iop.org
We quantify the calibration requirements for systematic uncertainties for next-generation
ground-based observatories targeting the large-angle B-mode polarization of the Cosmic …
ground-based observatories targeting the large-angle B-mode polarization of the Cosmic …
Two-year cosmology large angular scale surveyor (CLASS) observations: 40 GHz telescope pointing, beam profile, window function, and polarization performance
Abstract The Cosmology Large Angular Scale Surveyor (CLASS) is a telescope array that
observes the cosmic microwave background (CMB) over 75% of the sky from the Atacama …
observes the cosmic microwave background (CMB) over 75% of the sky from the Atacama …
CLASS Angular Power Spectra and Map-component Analysis for 40 GHz Observations through 2022
Measurement of the largest angular scale (ℓ< 30) features of the cosmic microwave
background (CMB) polarization is a powerful way to constrain the optical depth to …
background (CMB) polarization is a powerful way to constrain the optical depth to …
The CLASS 150/220 GHz polarimeter array: Design, assembly, and characterization
We report on the development of a polarization-sensitive dichroic (150/220 GHz) detector
array for the Cosmology Large Angular Scale Surveyor (CLASS) delivered to the telescope …
array for the Cosmology Large Angular Scale Surveyor (CLASS) delivered to the telescope …
CLASS Data Pipeline and Maps for 40 GHz Observations through 2022
Abstract The Cosmology Large Angular Scale Surveyor (CLASS) is a telescope array that
observes the cosmic microwave background over 75% of the sky from the Atacama Desert …
observes the cosmic microwave background over 75% of the sky from the Atacama Desert …
Two-year cosmology large angular scale surveyor (CLASS) observations: A measurement of circular polarization at 40 GHz
We report measurements of circular polarization from the first two years of observation with
the 40 GHz polarimeter of the Cosmology Large Angular Scale Surveyor (CLASS). CLASS is …
the 40 GHz polarimeter of the Cosmology Large Angular Scale Surveyor (CLASS). CLASS is …
Calibration of transition-edge sensor (TES) bolometer arrays with application to CLASS
JW Appel, CL Bennett, MK Brewer… - The Astrophysical …, 2022 - iopscience.iop.org
The current and future cosmic microwave background (CMB) experiments fielding kilopixel
arrays of transition-edge sensor (TES) bolometers require accurate and robust gain …
arrays of transition-edge sensor (TES) bolometers require accurate and robust gain …
Two year cosmology large angular scale surveyor (CLASS) observations: Long timescale stability achieved with a front-end variable-delay polarization modulator at …
Abstract The Cosmology Large Angular Scale Surveyor (CLASS) is a four-telescope array
observing the largest angular scales (2≲ ℓ≲ 200) of the cosmic microwave background …
observing the largest angular scales (2≲ ℓ≲ 200) of the cosmic microwave background …