papers

Publications (8)

astro-ph.IM2019

PICO: Probe of Inflation and Cosmic Origins

Shaul Hanany, Marcelo Alvarez, Emmanuel Artis +79

The Probe of Inflation and Cosmic Origins (PICO) is an imaging polarimeter that will scan the sky for 5 years in 21 frequency bands spread between 21 and 799 GHz. It will produce f…

astro-ph.CO2025

A Measurement of the Largest-Scale CMB E-mode Polarization with CLASS

Yunyang Li, Joseph Eimer, John Appel +34

We present measurements of large-scale cosmic microwave background (CMB) E-mode polarization from the Cosmology Large Angular Scale Surveyor (CLASS) 90 GHz data. Using 115 det-yr o…

astro-ph.CO2023

CLASS Data Pipeline and Maps for 40 GHz Observations through 2022

Yunyang Li, Joseph Eimer, Keisuke Osumi +33

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, Chile, at freque…

astro-ph.IM2018

The Cosmology Large Angular Scale Surveyor Receiver Design

Jeffrey Iuliano, Joseph Eimer, Lucas Parker +42

The Cosmology Large Angular Scale Surveyor consists of four instruments performing a CMB polarization survey. Currently, the 40 GHz and first 90 GHz instruments are deployed and ob…

astro-ph.CO2009

Observing the Evolution of the Universe

James Aguirre, Alexandre Amblard, Amjad Ashoorioon +172

How did the universe evolve? The fine angular scale (l>1000) temperature and polarization anisotropies in the CMB are a Rosetta stone for understanding the evolution of the univers…

astro-ph.IM2018

Optical Design of PICO, a Concept for a Space Mission to Probe Inflation and Cosmic Origins

Karl Young, Marcelo Alvarez, Nicholas Battaglia +28

The Probe of Inflation and Cosmic Origins (PICO) is a probe-class mission concept currently under study by NASA. PICO will probe the physics of the Big Bang and the energy scale of…

astro-ph2008

The Hertz/VPM polarimeter: Design and first light observations

Megan Krejny, David Chuss, Christian Drouet d'Aubigny +10

We present first results of Hertz/VPM, the first submillimeter polarimeter employing the dual Variable-delay Polarization Modulator (dual-VPM). This device differs from previously…

astro-ph.GA2025

Parallel Alignments between Magnetic Fields and Dense Structures in the Central Molecular Zone

Xing Pan, Qizhou Zhang, Keping Qiu +8

The recent Far-Infrared Polarimetric Large-Area Central Molecular Zone Exploration (FIREPLACE) survey with SOFIA has mapped plane-of-the-sky magnetic field orientations within the…