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Foregrounds and their mitigation

Chapman, Emma; Jelić, Vibor (2019) Foregrounds and their mitigation. In: The Cosmic 21-cm Revolution: Charting the first billion years of our Universe. AAS-IOP Astronomy . IOP Publishing, Bristol, UK, 6.1-6.29. ISBN 978-0-7503-2236-2

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The low-frequency radio sky is dominated by the diffuse synchrotron emission of our Galaxy and extragalactic radio sources related to Active Galactic Nuclei and star-forming galaxies. This foreground emission is much brighter than the cosmological 21 cm emission from the Cosmic Dawn and Epoch of Reionization. Studying the physical properties of the foregrounds is therefore of fundamental importance for their mitigation in the cosmological 21 cm experiments. This chapter gives a comprehensive overview of the foregrounds and our current state- of-the-art knowledge about their mitigation.

Item Type: Book Section
Uncontrolled Keywords: Foreground emission: Galactic, extragalactic ; foreground mitigation
Subjects: NATURAL SCIENCES > Physics
NATURAL SCIENCES > Physics > Astronomy and Astrophysics
Divisions: Division of Experimental Physics
Project titleProject leaderProject codeProject type
Razumijevanje zračenja na niskim radio frekvencijama: Ususret novoj generaciji radio teleskopa-LowFreqCROVibor JelićIP-2018-01-2889HRZZ
Depositing User: Vibor Jelić
Date Deposited: 07 Jan 2020 14:19
DOI: 10.1088/2514-3433/ab4a73

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