Foreground Separation and Constraints on Primordial Gravitational Waves with the PICO Space Mission

PICO is a concept for a NASA probe-scale mission aiming to detect or constrain the tensor to scalar ratio \(r\), a parameter that quantifies the amplitude of inflationary gravity waves. We carry out map-based component separation on simulations with five foreground models and input \(r\) values \(r_...

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Veröffentlicht in:	arXiv.org 2023-06
Hauptverfasser:	Aurlien, Ragnhild, Remazeilles, Mathieu, Belkner, Sebastian, Carron, Julien, Delabrouille, Jacques, Eriksen, Hans Kristian, Flauger, Raphael, Fuskeland, Unni, Galloway, Mathew, Gorski, Krzysztof M, Hanany, Shaul, Hensley, Brandon S, Hill, J Colin, Lawrence, Charles R, Alexander van Engelen, Wehus, Ingunn Kathrine
Format:	Artikel
Sprache:	eng
Schlagworte:	Bias Confidence intervals Frequencies Gravitational waves Lenses Multipoles Physics - Cosmology and Nongalactic Astrophysics Physics - Instrumentation and Methods for Astrophysics Separation Space missions Tensors
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