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    Exploring Cosmic Origins with CORE: Extragalactic Sources in Cosmic Microwave Background Maps


    de Zotti, G. and Gonzalez-Nuevo, J. and Lopez-Caniego, M. and Negrello, M. and Greenslade, J. and Hernandez-Monteagudo, C. and Delabrouille, J. and Cai, Z.Y. and Bonato, M. and Achúcarro, A. and Ade, P.A.R. and Allison, R. and Ashdown, M. and Ballardini, M. and Banday, A.J. and Banerji, R. and Bartlett, J.G. and Bartolo, N. and Basak, S. and Bersanelli, M. and Biesiada, M. and Bilicki, M. and Bonaldi, A. and Bonavera, L. and Borrill, J. and Bouchet, F.R. and Boulanger, F. and Brinckmann, T. and Bucher, M. and Burigana, C. and Buzzelli, A. and Calvo, M. and Carvalho, C.S. and Castellano, M.G. and Challinor, A. and Chluba, J. and Clements, D.L. and Clesse, S. and Colafrancesco, S. and Colantoni, I. and Coppolecchia, Alessandro and Crook, M. and D’Alessandro, Giuseppe and De Bernardis, P. and de Gasperis, G. and Diego, J.M. and Di Valentino, E, and Errard, J. and Feeney, S.M. and Fernández-Cobos, R. and Ferraro, S. and Finelli, F. and Forastieri, F. and Galli, S. and Genova-Santos, R.T. and Gerbino, M. and Grandis, S. and Hagstotz, S. and Hanany, S. and Handley, W. and Hervias-Caimapo, C. and Hills, M. and Hivon, E. and Kiiveri, K. and Kisner, T.S. and Kitching, T. and Kunz, M. and Kurki-Suonio, H. and Lagache, G. and Lamagna, L. and Lasenby, A. and Lattanzi, M. and Le Brun, A.M.C. and Lesgourgues, J. and Lewis, A. and Liguori, M. and Lindholm, V. and Luzzi, G. and Maffei, B. and Mandolesi, N. and Martinez-Gonzalez, E. and Martins, C.J.A.P. and Masi, S. and Massardi, M. and McCarthy, D. and Melchiorri, A. and Melin, J.-B. and Molinari, D. and Monfardini, A. and Natoli, P. and Notari, A. and Paiella, A. and Paoletti, D. and Partridge, R.B. and Patanchon, G. and Piat, M. and Pisano, G. and Polastri, L. and Polenta, G. and Pollo, A. and Poulin, V. and Quartin, M. and Remazeilles, M. and Roman, M. and Rossi, G. and Roukema, B.F. and Rubino-Martin, J.A. and Salvati, L. and Scott, D. and Serjeant, S. and Tartari, A. and Toffolatti, L. and Tomasi, M. and Trappe, Neil and Triqueneaux, S. and Trombetti, T. and Tucci, M. and Tucker, C. and Valiviita, J. and van de Weygaert, R. and Van Tent, B. and Vennin, V. and Vielva, P. and Vittorio, N. and Young, K. and Zannoni, M. (2018) Exploring Cosmic Origins with CORE: Extragalactic Sources in Cosmic Microwave Background Maps. Journal of Cosmology and Astroparticle Physics, 4 (020). ISSN 1475-7516

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    Abstract

    We discuss the potential of a next generation space-borne Cosmic Microwave Background (CMB) experiment for studies of extragalactic sources. Our analysis has particular bearing on the definition of the future space project, CORE, that has been submitted in response to ESA's call for a Medium-size mission opportunity as the successor of the Planck satellite. Even though the effective telescope size will be somewhat smaller than that of Planck, CORE will have a considerably better angular resolution at its highest frequencies, since, in contrast with Planck, it will be diffraction limited at all frequencies. The improved resolution implies a considerable decrease of the source confusion, i.e. substantially fainter detection limits. In particular, CORE will detect thousands of strongly lensed high-z galaxies distributed over the full sky. The extreme brightness of these galaxies will make it possible to study them, via follow-up observations, in extraordinary detail. Also, the CORE resolution matches the typical sizes of high-z galaxy proto-clusters much better than the Planck resolution, resulting in a much higher detection efficiency; these objects will be caught in an evolutionary phase beyond the reach of surveys in other wavebands. Furthermore, CORE will provide unique information on the evolution of the star formation in virialized groups and clusters of galaxies up to the highest possible redshifts. Finally, thanks to its very high sensitivity, CORE will detect the polarized emission of thousands of radio sources and, for the first time, of dusty galaxies, at mm and sub-mm wavelengths, respectively.

    Item Type: Article
    Additional Information: This is the preprint version of the published article, which is available at: G. De Zotti et al JCAP04(2018)020
    Keywords: Exploring Cosmic Origins; CORE; Extragalactic Sources; Cosmic Microwave Background Maps;
    Academic Unit: Faculty of Science and Engineering > Experimental Physics
    Item ID: 13312
    Identification Number: https://doi.org/10.1088/1475-7516/2018/04/020
    Depositing User: Dr. Neil Trappe
    Date Deposited: 29 Sep 2020 14:24
    Journal or Publication Title: Journal of Cosmology and Astroparticle Physics
    Publisher: IOP Publishing
    Refereed: Yes
    URI:

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