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Improved limits on the tensor-to-scalar ratio using BICEP and Planck
M. Tristram, A. J. Banday, K. M. Górski +14
We present constraints on the tensor-to-scalar ratio r using a combination of BICEP/Keck 2018 and Planck PR4 data allowing us to fit for r consistently with the six parameters of t…
In-flight gain monitoring of SPIDER's transition-edge sensor arrays
J. P. Filippini, A. E. Gambrel, A. S. Rahlin +67
Experiments deploying large arrays of transition-edge sensors (TESs) often require a robust method to monitor gain variations with minimal loss of observing time. We propose a sens…
COMAP Early Science: III. CO Data Processing
Marie K. Foss, Håvard T. Ihle, Jowita Borowska +30
We describe the first season COMAP analysis pipeline that converts raw detector readouts to calibrated sky maps. This pipeline implements four main steps: gain calibration, filteri…
COMAP Early Science: II. Pathfinder Instrument
James W. Lamb, Kieran A. Cleary, David P. Woody +32
Line intensity mapping (LIM) is a new technique for tracing the global properties of galaxies over cosmic time. Detection of the very faint signals from redshifted carbon monoxide…
COMAP Early Science: I. Overview
Kieran A. Cleary, Jowita Borowska, Patrick C. Breysse +40
The CO Mapping Array Project (COMAP) aims to use line intensity mapping of carbon monoxide (CO) to trace the distribution and global properties of galaxies over cosmic time, back t…
COMAP Early Science: VII. Prospects for CO Intensity Mapping at Reionization
Patrick C. Breysse, Dongwoo T. Chung, Kieran A. Cleary +29
We introduce COMAP-EoR, the next generation of the Carbon Monoxide Mapping Array Project aimed at extending CO intensity mapping to the Epoch of Reionization. COMAP-EoR supplements…