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Ultimate modelling of Radio foregrounds: a key ingredient for cosmology

Ultimate modelling of Radio foregrounds: a key ingredient for cosmology

Objective

Understanding the Physics of Inflation is one of the key questions in present-day fundamental cosmology. For this purpose, the study of the polarization of the Cosmic Microwave Background (CMB) anisotropies provide a unique probe to the early Universe. However, it is well-known that foreground signals, and in particular emission from our Galaxy, will be the major limiting factor of the possible constraints on the existence of B-modes.

This proposal will make use of ESA’s PLANCK satellite mission (30-857 GHz), in combination with the ground-based observations provided by the QUIJOTE experiment (10-20 GHz) and other ancillary radio maps, to address the still open problem of the detailed physical modelling of the radio foregrounds in polarization. This project will provide: a) state-of-the-art legacy maps of the synchrotron and the anomalous microwave emission (AME) in the Northern sky; b) a detailed characterization of the synchrotron spectral index, and the implications for cosmic-rays electron physics; c) a model of the large-scale properties of the Galactic magnetic field; d) a detailed characterization of the AME, including its contribution in polarization; and e) the best complete and statistically significant multi-frequency catalogue (from 10 to 217 GHz) of radio sources in both temperature and polarization.

The combination of PLANCK and QUIJOTE will provide reference data products which will be an asset for other sub-orbital experiments, as well as in the preparation of future space missions. Finally, we will also provide specific software tools for a more efficient exploitation of our data products, with functionalities far beyond of the existing ones. These tools will not only allow an advanced visualization, but also they will allow the possibility of carrying out specific predictions/simulations for the design of future B-mode experiments, which we expect it will be widely used by the Cosmology and Astrophysics community.

Coordinator

INSTITUTO DE ASTROFISICA DE CANARIAS

Address

Calle Via Lactea
38205 San Cristobal De La Laguna

Spain

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 348 757,90

Participants (6)

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UNIVERSIDAD DE CANTABRIA

Spain

EU Contribution

€ 250 000

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE

United Kingdom

EU Contribution

€ 187 500

THE UNIVERSITY OF MANCHESTER

United Kingdom

EU Contribution

€ 187 500

SCUOLA INTERNAZIONALE SUPERIORE DI STUDI AVANZATI DI TRIESTE

Italy

EU Contribution

€ 187 500

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS

France

EU Contribution

€ 187 500

TREELOGIC TELEMATICA Y LOGICA RACIONAL PARA LA EMPRESA EUROPEA SL

Spain

EU Contribution

€ 185 679,60

Project information

Grant agreement ID: 687312

Status

Closed project

  • Start date

    1 January 2016

  • End date

    31 December 2018

Funded under:

H2020-EU.2.1.6.

  • Overall budget:

    € 2 175 062,28

  • EU contribution

    € 1 534 437,50

Coordinated by:

INSTITUTO DE ASTROFISICA DE CANARIAS

Spain